Name: 27th Conference of the International Linear Algebra Society (ILAS 2026)
Start: 2026-05-18T07:30:00-04:00
End: 2026-05-22T22:00:00-04:00
Location: Virginia Tech

27th Conference of the International Linear Algebra Society (ILAS 2026)

from Monday, May 18, 2026 (7:30 AM) to Friday, May 22, 2026 (10:00 PM)

Monday, May 18, 2026

7:30 AM Registration
Registration
7:30 AM - 8:15 AM
Room: McBryde Hall 100 Foyer

8:15 AM Introductory Remarks
Introductory Remarks
8:15 AM - 8:30 AM
Room: McBryde Hall 100
8:30 AM Plenary Talks
8:30 AM - 10:15 AM
Room: McBryde Hall 100
Contributions

8:30 AM A new age of iterative Krylov methods for inverse problems: What to do with expensive inner-product computations? - Julianne Chung (Emory University)

9:25 AM Optimal interpolation in Hardy, Bergman and $\ell^p_A$ spaces: a reproducing kernel Banach space approach - Hugo Woerdeman (Drexel University)
10:15 AM Coffee Break
Coffee Break
10:15 AM - 11:00 AM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
11:00 AM Numerical Linear Algebra in Machine Learning: A
A
11:00 AM - 12:15 PM
Room: McBryde Hall 113
Contributions

11:00 AM Understanding and Leveraging Adaptive Algorithms' Sensitivity to Change-of-Basis - Adela DePavia (The University of Chicago)

11:25 AM Fast and explainable clustering in the Manhattan and Tanimoto distance - Kaustubh Roy (University of Manchester)

11:50 AM Numerical linear algebra with neural operator preconditioning for solving some parametric PDEs - Yanfei Xiang (University of Strasbourg)
Matrix Nearness Problems: A
A
11:00 AM - 12:15 PM
Room: Torgersen Hall 1030
Contributions

11:00 AM Nearest matrix with multiple eigenvalues by Riemannian optimization - Vanni Noferini (Aalto University)

11:25 AM Robustly asymptotically stable dissipative Hamiltonian descriptor systems - Volker Mehrmann (TU Berlin)

11:50 AM Bounds on the geodesic distances on the Stiefel manifold for a family of Riemannian metrics - Simon Mataigne (UCLouvain)
Numerical Ranges and Numerical Radii: A
A
11:00 AM - 12:15 PM
Room: Goodwin Hall 155
Contributions

11:00 AM Matrix numerical ranges of Toeplitz operators with polynomial symbols - Linda Patton (Cal Poly San Luis Obispo)

11:25 AM Multiplicities and $k$-Numerical Range - Nancy Menzelthe (University of Nevada, Reno)

11:50 AM On the spatial numerical range - Edward Poon
Where Algebraic Coding Theory and Graph Theory Meet: A
A
11:00 AM - 12:15 PM
Room: Goodwin Hall 125
Contributions

11:00 AM An Eventown Result for Permutations - Nathan Lindzey (University of Memphis)

11:25 AM A graph from the injection metric - Matteo Bertuzzo (Eindhoven University of Technology)

11:50 AM Coding theory via graph theory - Michael Tait (Villanova University)
Krylov Iterative Methods for Linear Equations: A
A
11:00 AM - 12:15 PM
Room: McBryde Hall 129
Contributions

11:00 AM Krylov Methods for Rank-one Updates of Eigenvalue Problems and Linear Equations - Dona Ishara Saparamadu (Baylor University, Waco, Texas)

11:25 AM Convergence Analysis for Infinite GMRES - Jordan Jackson (Virginia Tech)

11:50 AM Twin CG for Linear Equations with Multiple Right-hand Sides - Abigail Williams (Baylor University)
Algebraic Invariants of Graphs: A
A
11:00 AM - 12:15 PM
Room: Goodwin Hall 135
Contributions

11:00 AM Connected domination and the v-number of binomial edge ideals - Delio Jaramillo Velez (Virginia Tech)

11:25 AM The characterization of graphs with two trivial distance ideals - Juan Pablo Serrano Perez (Cinvestav)

11:50 AM Smith Normal Forms of Graphical Hermite Simplices - Antwon Park (University of Kentucky)
Low-Complexity Data-driven or Classical Algorithms and Applications: A
A
11:00 AM - 12:15 PM
Room: Torgersen Hall 1040
Contributions

11:00 AM Convergence of Randomized and Greedy Block Gauss-Seidel methods, as well as Asynchronous Iterations - Daniel Szyld (Temple University)

11:25 AM Randomized Sketching for Tucker Tensors: From Compressed Summation to GMRES - Mirjeta Pasha

11:50 AM Novel Randomized Tensor-Train Sketch and Applications - Paul Cazeaux (Virginia Tech)
Approximate Computing in Numerical Linear Algebra: A
A
11:00 AM - 12:15 PM
Room: Torgersen Hall 3100
Contributions

11:00 AM Restoring similarity in randomized Krylov methods with applications to eigenvalue problems and matrix functions - Igor Simunec (EPFL)

11:25 AM A general framework for Krylov ODE residuals with applications to randomized Krylov methods - Emil Krieger (Bergische Universität Wuppertal)

11:50 AM A mixed precision algorithm for matrix root functions - Bowen Gao (Fudan University)
Linear Algebra Education: A
A
11:00 AM - 12:15 PM
Room: Torgersen Hall 2150
Contributions

11:25 AM Blind Singal Separation as a model to introduce Linear Transformatios - Maria Trigueros (Benemérita Universidad Autónoma de Puebla, México)

11:50 AM The Inquiry-Oriented Linear Algebra Project - Megan Wawro (Virginia Tech)
Sparse Tensor Computations: Algorithms and Applications: A
A
11:00 AM - 12:15 PM
Room: Torgersen Hall 1060
Contributions

11:00 AM Optimal tensor network structure search - Alex Gorodetsky (University of Michigan)

11:25 AM Decomposition of a tensor into multilinear rank-$(M_r,N_r,\cdot)$ terms - Nico Vervliet (KU Leuven)

11:50 AM Synchronous and Asynchronous Parallelism Approaches for Generalized Canonical Polyadic Tensor Decomposition with GenTen - Eric Phipps (Sandia National Laboratories)
Quantum Numerical Linear Algebra: A
A
11:00 AM - 12:15 PM
Room: Goodwin Hall 115
Contributions

11:00 AM Computational linear algebra from time evolution and noisy inner products - Ethan Epperly (UC Berkeley)

11:25 AM Quantum Linear Algebra: from Optimization to Differential Equation - Zeguan Wu (University of Pittsburgh)

11:50 AM Quantum Linear Algebra for Optmization - Mohammadhossein Mohammadisiahroudi (Department of Mathematics and Statistics, University of Maryland Baltimore County)
Model- and Data-driven Reduced-order Models and Their Applications in Inverse Problems: A
A
11:00 AM - 12:15 PM
Room: Goodwin Hall 145
Contributions

11:00 AM Reduced order models for inverse scattering - Andreas Tataris

11:25 AM ROM-based Inverse Scattering for Monostatic Data - Jörn Zimmerling (Uppsala University)
12:15 PM Lunch Break
Lunch Break
12:15 PM - 2:00 PM
2:00 PM Contributed Talks: B1
B1
2:00 PM - 3:15 PM
Room: Goodwin Hall 155
Contributions

2:00 PM Graph Energy Change Under Edge Deletion - Wasin So (San Jose State University)

2:25 PM On some Graphs determined by their Signless Laplacian spectrum - Jitul Talukdar (IIT Kharagpur)

2:50 PM Row and Column Equivalence Transversality Properties: Extensions of the Rank-Preserving Transversality Property - Joonwon Seo (Georgia State University)
Contributed Talks: B2
B2
2:00 PM - 3:15 PM
Room: Torgersen 1020, Virginia Tech
Contributions

2:00 PM Superfast 1-Norm Estimation - Victor Pan (City University of New York)

2:25 PM Superfast Low Rank Approximation - Victor Pan (City University of New York)
Numerical Linear Algebra in Machine Learning: B
B
2:00 PM - 3:15 PM
Room: McBryde Hall 113
Contributions

2:00 PM Universal Kronecker Core Factorization of the NTK: Quantifying Implicit Bias of Gradient Descent - James Hazelden (University of Washington)

2:25 PM Principal Surjective Flows: Relaxing Bijection Assumption via the Smooth Co-Area Formula and Gram Determinants - Haoran Ni (University of Warwick)

2:50 PM Reduced- and Mixed-Precision Algorithms for QR Decomposition - Eda Oktay (Max Planck Institute for Dynamics of Complex Technical Systems Magdeburg)
Matrix Nearness Problems: B
B
2:00 PM - 3:15 PM
Room: Torgersen Hall 1030
Contributions

2:00 PM Reliably Computing the Worst-case H-infinity Norm of a Parametric System Using an Interpolation-based Algorithm. - Tim Mitchell (CUNY Queens College & The Graduate Center)

2:25 PM Distance to prescribed rank matrix polynomials via generic factorizations and alternating least squares - Froilán M. Dopico (Universidad Carlos III de Madrid (Spain))

2:50 PM Structured stability radii of dissipative Hamiltonian systems - Anshul Prajapati (Max Planck Institute for Dynamics of Complex Technical Systems)
Matrix Inequalities, Matrix Equations, and Their Applications: B
B
2:00 PM - 3:15 PM
Room: Goodwin Hall 145
Contributions

2:00 PM Random Matrix Ensembles with Split Limiting Behavior - Steven Miller (Williams College)

2:25 PM On a characterization of the equality case in the generalized Böttcher-Wenzel inequality - Motoyuki Nobori (Graduate School of Science and Engineering, Ehime University)

2:50 PM Normal Matrices - Fuzhen Zhang (Nova Southeastern University)
Where Algebraic Coding Theory and Graph Theory Meet: B
B
2:00 PM - 3:15 PM
Room: Goodwin Hall 125
Contributions

2:00 PM Graph-based error correction code constructions made practical by modern decoder developments - Ken Duffy (Northeastern University)

2:25 PM On the Hamming Weight Distribution of Cyclic Codes with Arbitrarily Many Nonzeroes - Shuxing Li (University of Delaware)

2:50 PM Hierarchical quasi-cyclic codes from polynomial evaluation codes - Kathryn Haymaker (Villanova University)
Krylov Iterative Methods for Linear Equations: B
B
2:00 PM - 3:15 PM
Room: McBryde Hall 129
Contributions

2:00 PM Polynomial Preconditioning for Indefinite Matrices - Hayden Henson (Baylor University)

2:25 PM Polynomial Preconditioned Golub-Kahan for Finding Singular Values and Solving Least Squares - Kingsley Michael (Baylor University)

2:50 PM Preconditioner Updating with Lasso-based Sparse Approximate Maps - Achintya Sunil
Algebraic Invariants of Graphs: B
B
2:00 PM - 3:15 PM
Room: Goodwin Hall 135
Contributions

2:00 PM Generalized chip firing and critical groups of arithmetical structures on trees - Joel Louwsma (Niagara University)

2:25 PM The Smith normal form of distance matrices of high dimensional trees - Carlos Alfaro (Banxico)

2:50 PM From Chip Firing to Determinantal Ideals and Back - Ralihe Raul Villagran Olivas (Worcester Polytechnic Institute)
Low-Complexity Data-driven or Classical Algorithms and Applications: B
B
2:00 PM - 3:15 PM
Room: Torgersen Hall 1040
Contributions

2:00 PM Optimal Experimental Design for Gaussian Processes via Column Subset Selection - Jessie Chen (North Carolina State University)

2:25 PM Accelerating Spectral Clustering of Time Series by approximating the Similarity Matrix using Randomly Pivoted Cholesky - Raf Vandebril (Dept. Computer Science, KU Leuven)

2:50 PM Spotlight inversion by orthogonal projections - Daniela Calvetti (Case Western Reserve University)
Approximate Computing in Numerical Linear Algebra: B
B
2:00 PM - 3:15 PM
Room: Torgersen Hall 3100
Contributions

2:00 PM Adaptive Mixed Precision Hierarchical Matrices - Ritesh Khan

2:25 PM Automated Precision Tuning for Numerical Algorithms - Xinye Chen (LIP6, CNRS, Sorbonne University)

2:50 PM Iterative Refinement for a Subset of Eigenpairs of a Real Symmetric Matrix and Its Convergence Analysis - Takeshi Terao (Waseda University)
Sparse Tensor Computations: Algorithms and Applications: B
B
2:00 PM - 3:15 PM
Room: Torgersen Hall 1060
Contributions

2:00 PM A Tree Tensor Network Integrator for the Chemical Master Equation - Julian Mangott (Universität Innsbruck)

2:25 PM Low-Rank CP Tensor Compression and Its Application to High-Dimensional PDEs - Zhanrui Zhang (University of Illinois Urbana-Champaign)

2:50 PM Iterative low-rank time integration of the time-dependent Schrödinger equation - Polina Sachsenmaier (RWTH Aachen University)
Quantum Numerical Linear Algebra: B
B
2:00 PM - 3:15 PM
Room: Goodwin Hall 115
Contributions

2:00 PM Near-term quantum subspace diagonalization - Adam Byrne (Trinity College Dublin & IBM Research)

2:25 PM Quantum Krylov methods with Hamiltonian powers - Ryan LaRose

2:50 PM Quantum Matrix Encodings - Liron Mor Yosef (Tel Aviv University)
3:15 PM Coffee Break
Coffee Break
3:15 PM - 3:45 PM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
3:45 PM Contributed Talks: C
C
3:45 PM - 5:25 PM
Room: Goodwin Hall 115
Contributions

3:45 PM Convergence of flexible GMRES with and without randomized sketching - Lauri Nyman (University of Manchester)

4:10 PM New Insights into the Equivalence of Thick and Implicit Restarting Lanczos - Kyle Monette (University of Rhode Island)

4:35 PM Domain decomposition method for eigenproblems - Antti Hannukainen (Aalto University)

5:00 PM Householder Sets and Relative Pseudospectra - Paul Zachlin (Lakeland Community College)
Numerical Linear Algebra in Machine Learning: C
C
3:45 PM - 5:25 PM
Room: McBryde Hall 113
Contributions

3:45 PM The Fréchet derivative of the tensor t-function - Kathryn Lund (STFC Scientific Computing)

4:10 PM Accurate Models of NVIDIA Tensor Cores - Mantas Mikaitis (University of Leeds)

4:35 PM Reduced Rank Extrapolation for Matrix Equations - Xiaobo Liu (Max Planck Institute for Dynamics of Complex Technical Systems)

5:00 PM Look-ahead mixed-precision inference of LLMs - Stanislav Budzinskiy (University of Vienna)
New Directions and Challenges in Linear Algebra: C
C
3:45 PM - 5:25 PM
Room: Torgersen Hall 3100
Contributions

3:45 PM Column subset selection: A new perspective - Ilse Ipsen (North Carolina State University)

4:10 PM Structured Matrix Approximation via Matrix-Vector Products - Cameron Musco (University of Massachusetts Amherst)

4:35 PM How ill conditioned can sub-matrices of the Fourier matrix be? - John Urschel (MIT)

5:00 PM Inner product-free approximation of matrix functions - Stefan Güttel (The University of Manchester)
Advanced Acceleration and Convergence Techniques for Solving Linear and Nonlinear Systems: C
C
3:45 PM - 5:25 PM
Room: McBryde Hall 129
Contributions

3:45 PM Constant Memory and Synchronization Costs for Nonsymmetric Krylov Methods - Stephen Thomas (Lehigh University)

4:10 PM A Generalized Alternating Anderson Acceleration Method - Yunhui He (University of Houston)

4:35 PM nlKrylov: A unified framework for nonlinear GCR-type Krylov subspace methods - Tom Werner (TU Braunschweig)

5:00 PM Accelerated local-global coupling for non-isothermal multiphase reactive flow in hydrate-bearing sediments - Maria Vasilyeva
Matrix Inequalities, Matrix Equations, and Their Applications: C
C
3:45 PM - 5:25 PM
Room: Goodwin Hall 145
Contributions

3:45 PM Permutations induced by GEPP - John Peca-Medlin (UCSD)

4:10 PM Stabilizer Fields and Dimension Growth in Product-Spans - Mohsen Aliabadi (Clayton State University)

4:35 PM From binary symmetric matrices to Coxeter-like graphs and self-dual codes - Marko Orel (University of Primorska)

5:00 PM Inequalities for different means of positive definite matrices - Tanvi Jain (Indian Statistical Institute)
Spectral Graph Theory: C
C
3:45 PM - 5:25 PM
Room: Goodwin Hall 125
Contributions

3:45 PM The inverse symplectic eigenvalue problem of a graph - Leslie Hogben (American Institute of Mathematics, Iowa State University, Purdue University)

4:10 PM Zero-Nonzero Patterns of Symmetric Orthogonal Matrices - Brendan Rooney (Rochester Institute of Technology)

4:35 PM $q(G)$ for Threshold Graphs - Luiz Emilio Allem (Universidade Federal do Rio Grande do Sul)

5:00 PM How many eigenvalues of a tree can attain the maximum multiplicity? - Polona Oblak (University of Ljubljana)
Numerical Linear Algebra Tools for Model Order Reduction: C
C
3:45 PM - 5:25 PM
Room: Torgersen Hall 1020
Contributions

3:45 PM Inverse problems for history-enriched linear model reduction - Arjun Vijaywargiya (University of Texas at Austin)

4:10 PM Efficient Streaming Operator Learning for Large-Scale Dynamical Systems - Tomoki Koike (Georgia Institute of Technology)

4:35 PM Solving Generalized Lyapunov Equations with guarantees: application to the Model Reduction of Switched Linear Systems - Mattia Manucci (Karlsruhe Institute of Technology)

5:00 PM $\mathcal{H}_2$ model order reduction for Bilinear Quadratic Output Systems - Till Peters (TU Braunschweig, Institute for Numerical Analysis)
Computational Advances in Discrete Inverse Problems: C
C
3:45 PM - 5:25 PM
Room: Torgersen Hall 1030
Contributions

3:45 PM A Regularization Method for Compact Linear Operator Equations Based on the Arnoldi Process - Mykhailo Kuian (Case Western Reserve University)

4:10 PM Recycling and Streaming for Large Scale Nonlinear Inverse Problems - Toluwani Okunola (Tufts University)

4:35 PM Latent Twin Operator - Riley Yizhou Chen (Emory University)

5:00 PM New flexible and inexact Krylov solvers for inverse problems - Malena Sabate Landman (University of Bath)
Advances and Challenges in Eigensolvers: C
C
3:45 PM - 5:25 PM
Room: Torgersen Hall 1040
Contributions

3:45 PM The accuracy of the QZ algorithm and some tricks to improve it - Thijs Steel (KU Leuven)

4:10 PM From eigenvector nonlinearities to eigenvalue nonlinearities - Vilhelm P. Lithell (KTH Royal Institute of Technology)

4:35 PM Fast Algorithms for Optimal Damping in Mechanical Systems - Francoise Tisseur (The University of Manchester)

5:00 PM From SCF to LOBPCG: Accelerated Solvers for Nonlinear Eigenvector Problems - Agnieszka Miedlar (Virginia Tech)
Linear Algebra Education: C
C
3:45 PM - 5:25 PM
Room: Torgersen Hall 2150
Contributions

3:45 PM Immersive Exercises for Linear Algebra - Conrad Plaut (University of Tennessee--Mathematics)

4:10 PM Finding the Right Basis (or Bases) - Jeffrey Stuart (Pacific Lutheran University)

4:35 PM Cards on the Table: Playing with Linear Algebra Concepts - Martijn Boussé (Maastricht University)
Low-rank Matrix and Tensor Decompositions: Theory, Algorithms and Applications: C
C
3:45 PM - 5:25 PM
Room: Torgersen Hall 1060
Contributions

3:45 PM Robustness of Minimum-Volume Nonnegative Matrix Factorization under an Expanded Sufficiently Scattered Condition - Subhayan Saha (Universite de Mons)

4:10 PM Manifold-based Algorithms for the Hadamard Decomposition - Stefano Sicilia (University of Mons)

4:35 PM Symmetric nonnegative trifactorization rank of matrices with a given pattern without a four cycle - Damjana Kokol Bukovšek (University of Ljubljana)

5:00 PM Randomized algorithms for streaming low-rank approximation in tree tensor network format - Alberto Bucci (University of Edinburgh)
Combinatorial Matrix Theory: C
C
3:45 PM - 5:25 PM
Room: Goodwin Hall 135
Contributions

3:45 PM The sum of a topological index and its reciprocal index - Wei Gao

4:10 PM Combinatorial characterization of matrix algebras over finite fields - Nik Stopar (University of Ljubljana)

4:35 PM The Rank-Preserving Transversality Property - Chris Hart (Georgia State University)

5:00 PM On the Length of a Multiplicity List of a Graph - Johnna Parenteau
Application-Driven Family of Matrix Computations: Factorization, Inverse, Linear Solve: C
C
3:45 PM - 5:25 PM
Room: Goodwin Hall 155
Contributions

3:45 PM Scalable Approximate Selected Inversion via ILU and Spectral Corrections for Sparse Systems - Tahamina Akter (TU Braunschweig)

4:10 PM Matrix-Free Geometric Multigrid Preconditioning Of Combined Newton-GMRES For Solving Phase-Field Fracture With Local Mesh Refinement - Thomas Wick (Leibniz University Hannover)

4:35 PM Loracx: Low Rank Approximations with Constraints at Exascale - Ramakrishnan Kannan

5:00 PM Exploiting Kronecker Structure and Krylov Subspaces for Scalable Second-Order Optimization in Federated Physics-Informed Neural Networks - Amit Upadhyay (Indian Institute Of Technology (Indian School Of Mines) Dhanbad)
5:30 PM Registration
Registration
5:30 PM - 6:00 PM
Room: Latham Ballroom Foyer

6:00 PM Welcome Reception
Welcome Reception
6:00 PM - 8:00 PM
Room: Latham Ballroom
Tuesday, May 19, 2026

8:20 AM Announcements
Announcements
8:20 AM - 8:30 AM
Room: McBryde Hall 100
8:30 AM Plenary Talks
8:30 AM - 10:15 AM
Room: McBryde Hall 100
Contributions

8:30 AM Stochastic trace estimation for parameter-dependent matrices - Arvind Krishna Saibaba (North Carolina State University)

9:25 AM Inverse problems on a graph: strong matrices and graph minors - Jephian C.-H. Lin (National Yang Ming Chiao Tung University)
10:15 AM Coffee Break
Coffee Break
10:15 AM - 11:00 AM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
11:00 AM Contributed Talks: D1
D1
11:00 AM - 12:15 PM
Room: McBryde Hall 113
Contributions

11:00 AM Nearest correlation matrices with structure: a dynamical systems approach - Eugenio Turchet (GSSI)

11:25 AM Linear Geometry Insights in the Expectation Maximization Algorithm Convergence - Dacian Bonta (Emory University)

11:50 AM Tensor Train-Compressed FDTD Solvers for Electromagnetic Simulations - Jonathan Tabares (Florida International University)
Contributed Talks: D2
D2
11:00 AM - 12:15 PM
Room: Goodwin Hall 145
Contributions

11:00 AM On the properties of solution sets of absolute value equations - Shweta Yadav (Shiv Nadar University)

11:25 AM A Classification of Seeds via the Minimum Number of Distinct Eigenvalues - Lucas Siviero Sibemberg (UFRGS)
Advanced Acceleration and Convergence Techniques for Solving Linear and Nonlinear Systems: D
D
11:00 AM - 12:15 PM
Room: McBryde Hall 129
Contributions

11:00 AM A BFBt Preconditioner for Double Saddle-Point Systems - Chen Greif (The Department of Computer Science)

11:25 AM Robust Numerical Differentiation for Entropy-regularized Optimal Transport (EOT) with application to Shuffled Regression - Xingjie Li (UNC Charlotte)

11:50 AM GA-NGMRES: An Alternating NGMRES Method for Accelerating First-Order Optimization - Andreas Mang (Department of Mathematics, University of Houston)
Matrix Nearness Problems: D
D
11:00 AM - 12:15 PM
Room: Torgersen Hall 1030
Contributions

11:00 AM Constrained Rayleigh quotient optimization and its applications in polynomial eigenvalue problem - Punit Sharma (Indian Institute of Technology Delhi - Abu Dhabi, UAE)

11:25 AM Singular Value Characterizations for a Nearest Rectangular Polynomial Matrix with an Eigenvalue - Emre Mengi (Koc University, Istanbul)

11:50 AM A Newton–bisection method with monotone convergence for matrix nearness problems. - Nicola Guglielmi (Gran Sasso Science Institute)
The Inverse Eigenvalue Problem of a Graph and Zero Forcing: D
D
11:00 AM - 12:15 PM
Room: Goodwin Hall 155
Contributions

11:00 AM A unified framework for the Expander Mixing Lemma for graphs and its applications - Aida Abiad (Eindhoven University of Techonolgy)

11:25 AM Inverse Eigenvalue Problems for Graphs: The Weighted Laplacian Case - Shaun Fallat (University of Regina)
Numerical Linear Algebra Tools for Model Order Reduction: D
D
11:00 AM - 12:15 PM
Room: Torgersen Hall 1020
Contributions

11:00 AM Least-squares Rational Approximation Using Riemannian Optimization - Petar Mlinarić (University of Zagreb)

11:25 AM Extensions of data-driven balancing to LQO and QB systems - Reetish Padhi (Virginia Tech)

11:50 AM PIRKA: The Iterative Rational Krylov Algorithm for Linear Time-Periodic Systems - Sam Bender
Where Algebraic Coding Theory and Graph Theory Meet: D
D
11:00 AM - 12:15 PM
Room: Goodwin Hall 125
Contributions

11:00 AM Secure Distributed Matrix Multiplication - Rafael D'Oliveira (Clemson University)

11:25 AM Graph Properties of Codes from Dyadic and Quasi-Dyadic Matrices - Kirsten Morris (Virginia Tech)

11:50 AM External codes for multiple unicast networks via interference alignment - Felice Manganiello (Clemson University)
Algebraic Invariants of Graphs: D
D
11:00 AM - 12:15 PM
Room: Goodwin Hall 135
Contributions

11:00 AM Spectrum of trees of diameter 4 for the distance Laplacian matrix - Kate Lorenzen (Linfield University)

11:25 AM Advances on Brouwer's Conjecture - Vilmar Trevisan (UFRGS - Brazil)

11:50 AM A representation theoretical approach to the p-rank of subset incidence matrices - Colby Sherwood (University of Delaware)
Low-Complexity Data-driven or Classical Algorithms and Applications: D
D
11:00 AM - 12:15 PM
Room: Torgersen Hall 1040
Contributions

11:00 AM Conditional Denoising Diffusion Model-Based Robust MR Image Reconstruction from Highly Undersampled Data - Xianqi Li (Florida Institute of Technology)

11:25 AM A low-complexity locally recoverable matrix-influenced algorithm to globally recover codes - Oshani Jayawardane (Embry-Riddle Aeronautical University)

11:50 AM Computing Singular Values Above a Certain Threshold - Vasilije Perovic (University of Rhode Island)
Approximate Computing in Numerical Linear Algebra: D
D
11:00 AM - 12:15 PM
Room: Torgersen Hall 3100
Contributions

11:00 AM Forward and backward error bounds for a mixed precision preconditioned conjugate gradient algorithm - Yuxin Ma (Charles University)

11:25 AM Mixed Precision General Alternating-Direction Implicit Method for Solving Large Sparse Linear Systems - Juan Zhang

11:50 AM Analysis of Floating-Point Matrix Multiplication Computed via Integer Arithmetic - Mantas Mikaitis (University of Leeds)
Linear Algebra Education: D
D
11:00 AM - 12:15 PM
Room: Torgersen Hall 2150
Contributions

11:00 AM A few issues in teaching linear algebra - Fuzhen Zhang (Nova Southeastern University)

11:25 AM Linear algebra applications in students’ post linear algebra course work - Christine Andrews-Larson (Florida State University)

11:50 AM Promoting Linear Algebraic Reasoning Among Students: Affordances and Challenges - Guershon Harel (University of California, San Diego)
Sparse Tensor Computations: Algorithms and Applications: D
D
11:00 AM - 12:15 PM
Room: Torgersen Hall 1060
Contributions

11:00 AM Efficient oversampled Tensor-Train approximations - Daniel Hayes (University of Delaware)

11:25 AM Adaptive Randomized Tensor Train Rounding using Khatri-Rao Products - Bhisham Dev Verma (Wake Forest University)
Quantum Numerical Linear Algebra: D
D
11:00 AM - 12:15 PM
Room: Goodwin Hall 115
Contributions

11:00 AM Efficient Encoding of Semiseparable Matrices in Quantum Circuits - Giacomo Antonioli

11:25 AM Efficient LCU block encodings through Dicke states preparation - Roel Van Beeumen (Lawrence Berkeley National Laboratory)

11:50 AM Practical block encodings of matrix polynomials that can also be trivially controlled - Filippo Della Chiara (KU Leuven)
12:15 PM Lunch Break
Lunch Break
12:15 PM - 2:00 PM
2:00 PM Contributed Talks: E
E
2:00 PM - 3:15 PM
Room: Goodwin Hall 135
Contributions

2:00 PM Order automorphisms of effect algebras - Peter Semrl (Institute of Mathematics, Physics, and Mechanics, Ljubljana, Slovenia)

2:25 PM Polynomial Factorization via Matrix Representations - Azam Mozaffarikhah (Virginia Tech, Department of Mathematics)

2:50 PM Pretty good state transfer in Grover walks on abelian Cayley graphs - Koushik Bhakta (Indian Institute of Technology Guwahati)
Matrix Inequalities, Matrix Equations, and Their Applications: E
E
2:00 PM - 3:15 PM
Room: Goodwin Hall 145
Contributions

2:00 PM On the stability criteria via finite Hankel matrices for regular matrix polynomials - Xuzhou Zhan (Beijing Normal University at Zhuhai)

2:25 PM Sharp lower bounds for generalized operator products - Dominique Guillot (University of Delaware)

2:50 PM Convolution of matrices: Cayley–Hamilton theory, matrix transforms, and positivity preservers, with connections to the Bruhat order - Prateek Kumar Vishwakarma (Universite Laval, Quebec, Canada)
The Inverse Eigenvalue Problem of a Graph and Zero Forcing: E
E
2:00 PM - 3:15 PM
Room: Goodwin Hall 155
Contributions

2:00 PM Sign patterns that require or allow the non-symmetric strong spectral property - Kevin Vander Meulen (Redeemer University)

2:25 PM Jacobian method and strong properties - Jephian C.-H. Lin (National Yang Ming Chiao Tung University)

2:50 PM A general strong property for IEP-G - H Tracy Hall (none)
Theoretical Advances in Operator Learning: E
E
2:00 PM - 3:15 PM
Room: McBryde Hall 113
Contributions

2:00 PM Learning operators with continuous spectrum from data - Andrew Horning (Rensselaer Polytechnic Institute)

2:25 PM Resolvent compactification methods for spectral approximation of Koopman operators - Trevor Camper (Dartmouth College)

2:50 PM Learning Enhanced Ensemble Filters: Continuum Limits of Attention on Measures - Bohan Chen (California Institute of Technology)
Computational Advances in Discrete Inverse Problems: E
E
2:00 PM - 3:15 PM
Room: Torgersen Hall 1030
Contributions

2:00 PM Kronecker Rank Bounds for Operator Matrices - Malena Espanol (Arizona State University)

2:25 PM IterativeCUR: One Small Sketch for Big Matrix Approximations - Nathaniel Pritchard (The University of Oxford)

2:50 PM Regularized Krylov Subspace Methods in Low Precision - James Nagy (Emory University)
Linear Algebra Foundations for Data-driven Modeling and Model Order Reduction: E
E
2:00 PM - 3:15 PM
Room: Torgersen Hall 1020
Contributions

2:00 PM Numerical linear algebra for data driven nonlinear dynamics - Zlatko Drmac (Faculty of Science, University of Zagreb)

2:25 PM Wavelet-Based Observables for Koopman Analysis: An Extended Dynamic Mode Decomposition Framework - Cankat Tilki (Virginia Tech)

2:50 PM Reduced order modeling and numerical linear algebra analogs - Amy de Castro (University of Utah)
Where Algebraic Coding Theory and Graph Theory Meet: E
E
2:00 PM - 3:15 PM
Room: Goodwin Hall 125
Contributions

2:00 PM Spectral analysis of linear codes - Valentino Smaldore (Università degli Studi di Padova)

2:25 PM Modern Expander-Based Error-Correcting Codes - Pedro Paredes (Princeton University)
Convex Structures in Quantum Information and Gravity: E
E
2:00 PM - 3:15 PM
Room: Goodwin Hall 115
Contributions

2:00 PM Today’s Experiments Suffice to Indirectly Verify the Quantum Essence of Gravity - Martin Plávala (Leibniz University Hannover)

2:25 PM Time-evolution in generalized probabilistic theories - Matthias Kleinmann (University of Münster)

2:50 PM Quantum Simulation of Non-Positive-Operator-Valued Measurements in General Probabilistic Theories with Post-Selection and Prior Information. - Hayato Arai (University of Tokyo)
Rational Approximation and Interpolation: Practical Applications, Challenges and Solutions: E
E
2:00 PM - 3:15 PM
Room: Torgersen Hall 1040
Contributions

2:00 PM Concentrated real-pole uniform-in-time approximation of the matrix exponential - Shuai Shao (The University of Manchester)

2:25 PM Multivariate Rational Approximation of Scattered Data Using the p-AAA Algorithm - Linus Balicki (Novateur Research Solutions)

2:50 PM p-set valued AAA for parametric model order reduction. - Karl Meerbergen (KU Leuven)
Low-rank Matrix and Tensor Decompositions: Theory, Algorithms and Applications: E
E
2:00 PM - 3:15 PM
Room: Torgersen Hall 1060
Contributions

2:00 PM Reducing swamp behavior for canonical polyadic decomposition - Charlotte Vermeylen (KU Leuven)

2:25 PM Chiselling Algorithms for Algebraic Computation of Tensor Block Term Decompositions - David Thorsteinsson (KU Leuven)

2:50 PM Fast randomized compression of matrix-vector products in tensor-train format and applications to Krylov subspace methods - Alberto Bucci (University of Edinburgh)
Advances in Randomized Algorithms and Kernel Methods for Rank-Structured Matrices: E
E
2:00 PM - 3:15 PM
Room: Torgersen Hall 3100
Contributions

2:00 PM Acceleration of Lanczos approximation for PDE discretizations in unbounded domains - Vladimir Druskin (Southern Methodist University)

2:25 PM Practical Spectral Density Estimation with Explicit Deflation - Ibrohim Nosirov (Cornell University)

2:50 PM Eigenvector Approximation via Random Sampling - Rajarshi Bhattacharjee (University of Massachusetts Amherst)
Polynomials, Krylov Methods and Applications: E
E
2:00 PM - 3:15 PM
Room: McBryde Hall 129
Contributions

2:00 PM Polynomials, Twin BiCG and Approximating the Inverse - Ron Morgan (Baylor University)

2:25 PM Preconditioned log-determinant approximation: one probe vector is almost always enough! - Daniele Toni (Scuola Normale Superiore)

2:50 PM Stochastic trace estimation for parameter-dependent matrices - Fabio Matti (EPFL)
3:15 PM Coffee Break
Coffee Break
3:15 PM - 3:45 PM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
3:45 PM Contributed Talks: F
F
3:45 PM - 5:25 PM
Room: Goodwin Hall 155
Contributions

3:45 PM The Smith form of Sylvester and Bézout matrices for zero-dimensional ideals - Etna Lindy (Aalto University)

4:10 PM A Unified Framework for Linearizations of Matrix Polynomials in Classical Bases - Steve Mackey (Western Michigan University)

4:35 PM The Polynomial Set Associated with a Fixed Number of Matrix-Matrix Multiplications - Gustaf Lorentzon (KTH)
New Directions and Challenges in Linear Algebra: F
F
3:45 PM - 5:25 PM
Room: Torgersen Hall 3100
Contributions

3:45 PM Divide-and-Conquer for Nonsymmetric Eigenvalue Problems Part I: Randomization - Ioana Dumitriu (University of California, San Diego)

4:10 PM Divide-and-Conquer for Nonsymmetric Eigenvalue Problems Part II: Implementation - Ryan Schneider (University of California Berkeley)

4:35 PM Operator learning without the adjoint - Diana Halikias (New York University)

5:00 PM Spooky Scary Skeletons - Heather Wilber (University of Washington)
Advanced Acceleration and Convergence Techniques for Solving Linear and Nonlinear Systems: F
F
3:45 PM - 5:25 PM
Room: McBryde Hall 129
Contributions

3:45 PM Natural Gradient Descent for Hyperparameter Estimation in Bayesian Inverse Problems - Elle Buser (Emory University)

4:10 PM Flattening and Middle Rank Tensor Approximation - Zequn Zheng (Louisiana State University)

4:35 PM Accelerated Multigrid Cycles - Yunhui He (University of Houston)

5:00 PM Algebraic Multigrid for H-Curl-Systems - Raymond Tuminaro (Sandia National Laboratories)
Matrix Inequalities, Matrix Equations, and Their Applications: F
F
3:45 PM - 5:25 PM
Room: Goodwin Hall 145
Contributions

3:45 PM T-Eigenvalues of Third-order Quaternion Tensors - Meiling Deng (University of Nevada, Reno)

4:10 PM Revisiting the Upper Bild Convexity of Quaternionic Numerical Range - Jie Tian (University of Nevada, Reno)

4:35 PM Riccati Differential Equations, State Transition Matrices, and State Covariance Matrices - Fengjiao Liu (FAMU-FSU College of Engineering)

5:00 PM Pressing sequences in nonbinary fields - Joshua Cooper (University of South Carolina)
Spectral Graph Theory: F
F
3:45 PM - 5:25 PM
Room: Goodwin Hall 125
Contributions

3:45 PM Cycles in directed graphs - John Byrne (University of Delaware)

4:10 PM The factorization norm and an inverse theorem for MaxCut - Igor Balla (Leipzig University)

4:35 PM A graph energy conjecture through the lenses of semidefinite programming - Emanuel Juliano (Federal University of Minas Gerais)

5:00 PM Semidefinite programming bounds on fractional cut-cover and maximum 2-SAT for highly regular graphs - Henrique Soares Assumpção e Silva (Universidade Federal de Minas Gerais)
Inverse Problems and Uncertainty Quantification through the Lens of Numerical Linear Algebra: F
F
3:45 PM - 5:25 PM
Room: Torgersen Hall 1030
Contributions

3:45 PM Scalable iterative data-adaptive RKHS regularization for linear inverse problems - Haibo Li (Huazhong University of Science and Technology)

4:10 PM Stochastic zeroth-order calculation of operator quantities - Jonas Bresch (Technische Universität Berlin)

4:35 PM Nonlinear OED with Column Subset Selection - Amit Subrahmanya (Argonne National Laboratory)

5:00 PM A Scalable Sequential Framework for Dynamic Inverse Problems via Model Parameter Estimation - Aryeh Keating (Virginia Tech)
Numerical Linear Algebra Tools for Model Order Reduction: F
F
3:45 PM - 5:25 PM
Room: Torgersen Hall 1020
Contributions

3:45 PM On linear matrix equations and the Akhiezer iteration - Cade Ballew (University of Washington)

4:10 PM A tangential low-rank ADI method for solving indefinite Lyapunov equations - Rudi Smith (Virginia Tech)

4:35 PM Data-Driven Modal Truncation - Dan E. Folescu (Virginia Tech)

5:00 PM Model Reduction For Optimal Control By Balanced Truncation Of State and Gradient Covariance - Emmanuel Ameh (Cornell University)
Theoretical Advances in Operator Learning: F
F
3:45 PM - 5:25 PM
Room: McBryde Hall 113
Contributions

3:45 PM Learning Material Constitutive Laws with Neural Operators - George Stepaniants (California Institute of Technology)

4:10 PM Data-efficient Adjoint-free Learning for Asymptotically Smooth Integral Operators - Esther Gallmeier (Cornell University)

4:35 PM Quasi-optimal hierarchically semi-separable matrix approximation - David Persson (New York University & Flatiron Institute)

5:00 PM L2-Optimal Reduced-Order Modeling Using Parameter-Separable Forms - Serkan Gugercin (Virginia Tech)
Convex Structures in Quantum Information and Gravity: F
F
3:45 PM - 5:25 PM
Room: Goodwin Hall 115
Contributions

3:45 PM Comparing measurement incompatibility via convex subsets of states - Ryo Takakura (University of Osaka)

4:10 PM Definitely Not That One: The Art of Antidistinguishing Quantum States - Jamie Sikora (Virginia Tech)

4:35 PM Information-theoretic finite de Finetti theorems for quantum and beyond - Gereon Koßmann (RWTH Aachen University)

5:00 PM Convergent Inner-outer Approximation Schemes From De Finetti Theorems For Games And Quantum Error Correction - Julius Alexander Zeiss (RWTH Aachen)
Advances and Challenges in Eigensolvers: F
F
3:45 PM - 5:25 PM
Room: Torgersen Hall 1040
Contributions

3:45 PM The Restarted Block Two-Level Orthogonal Arnoldi Algorithm - Michael Jones

4:10 PM Integration of the GPLHR Method Within LS-DYNA - Daniel Bielich (Synopsys)

4:35 PM Inexact subspace projection methods for tensor eigenvalue problems - Alec Dektor (Lawrence Berkeley National Lab)

5:00 PM Adaptive filtered subspace iteration for self adjoint eigenvalue problems on moving domains - Luka Grubisic (University of Zagreb, Faculty of Science, Department of Mathematics)
Linear Algebra Education: F
F
3:45 PM - 5:25 PM
Room: Torgersen Hall 2150
Contributions

3:45 PM Linear Algebra Education from an APOS perspective - Asuman Oktaç (Cinvestav)

4:10 PM Engaging Undergraduates in Computational Linear Algebra Through Data-Driven Projects - Sima Ahsani (Washington and Lee University)

4:35 PM You sunk my Battleship! Exploring Matrix Multiplication with a Linear Algebra Video Game - Matthew Mauntel (Tarleton State University)

5:00 PM Symplectic Linear Algebra in Honors Linear Algebra - A Proposal - Matthew Park (Virginia Tech)
Recent Advances in Tensor Decompositions for Model and Data Reduction: F
F
3:45 PM - 5:25 PM
Room: Torgersen Hall 1060
Contributions

3:45 PM High-Performance Implementation of Star-M SVD for Big Data Compression - Md Taufique Hussain (Wake Forest University)

4:10 PM Streaming Tensor BM-Decomposition - Fan Tian

4:35 PM POD-DEIM in the starM-product framework - Vishwas Rao

5:00 PM Streaming data tensors efficiently and accurately - Joe Kileel (University of Texas, Austin)
Combinatorial Matrix Theory: F
F
3:45 PM - 5:25 PM
Room: Goodwin Hall 135
Contributions

3:45 PM Frobenius theorem for Cullis determinant - Alexander Guterman (Bar-Ilan University)

4:10 PM Geometric and Combinatorial Properties of the ASM Polytope - Elizabeth Dinkelman (George Mason University)

4:35 PM Sparsity of a matrix and its inverse - Bryan Shader (University of Wyoming)

5:00 PM A new combinatorial rank concept and its challenges - Geir Dahl
5:30 PM Mentoring Panel - Shaun Fallat (University of Regina) Francoise Tisseur (The University of Manchester) Anna Ma (University of California, Irvine) Mirjeta Pasha Roel Van Beeumen (Lawrence Berkeley National Laboratory) Heike Faßbender Daniela Calvetti (Case Western Reserve University) Misha Kilmer (Tufts University)
Mentoring Panel
- Shaun Fallat (University of Regina)
- Francoise Tisseur (The University of Manchester)
- Anna Ma (University of California, Irvine)
- Mirjeta Pasha
- Roel Van Beeumen (Lawrence Berkeley National Laboratory)
- Heike Faßbender
- Daniela Calvetti (Case Western Reserve University)
- Misha Kilmer (Tufts University)
5:30 PM - 6:30 PM
Room: McBryde Hall 100 This panel aims to provide guidance and support to early-career researchers through a discussion of mentoring experiences, challenges, and best practices across different academic systems. This activity is part of the broader service component of an National Science Foundation Early Career Award, through which we have received support to fund participation of U.S.-based early-career conference speakers.
Wednesday, May 20, 2026

8:20 AM Announcements
Announcements
8:20 AM - 8:30 AM
Room: McBryde Hall 100
8:30 AM Plenary Talks
8:30 AM - 10:15 AM
Room: McBryde Hall 100
Contributions

8:30 AM Quantum Numerical Linear Algebra Doesn't Have to be Hard: A Matrix Algebra Oriented Approach - Haim Avron (Tel Aviv University)

9:25 AM The Eigenvalue Method in coding theory - Aida Abiad (Eindhoven University of Techonolgy)
10:15 AM Coffee Break
Coffee Break
10:15 AM - 10:45 AM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
10:45 AM Matrix Geometries: G
G
10:45 AM - 12:00 PM
Room: Goodwin Hall 135
Contributions

10:45 AM Stiefel Optimization is NP-hard - Tianyun Tang (University of Chicago)

11:10 AM Differential-Geometric View of the Schur--Horn Theorem and Related Convexity Phenomena - Tin-Yau Tam (University of Nevada, Reno)

11:35 AM Stochastic approximations with operator means - Pálfia Miklós (Corvinus University of Budapest)
The Inverse Eigenvalue Problem of a Graph and Zero Forcing: G
G
10:45 AM - 12:00 PM
Room: Goodwin Hall 155
Contributions

10:45 AM Leaky Forcing of Unicyclic Graphs - Carolyn Reinhart (Swarthmore College)

11:10 AM Orientable forcing and relationships with linear algebra - Bonnie Jacob (Rochester Institute of Technology)

11:35 AM Parameters connected to the strong nullity interlacing property - Mary Flagg (University of St. Thomas)
Numerical Ranges and Numerical Radii: G
G
10:45 AM - 12:00 PM
Room: Goodwin Hall 145
Contributions

10:45 AM Norms on tensors in quantum information related to numerical radii - Shmuel Friedland (University of Illinois Chicago)

11:10 AM Linear maps preserving products of involutions - Tejbir Lohan (Indian Statistical Institute, Delhi Centre, India)

11:35 AM On the $k$-numerical ranges of matrices - Kennett Dela Rosa (University of the Philippines Diliman)
Inverse Problems and Uncertainty Quantification through the Lens of Numerical Linear Algebra: G
G
10:45 AM - 12:00 PM
Room: Torgersen Hall 1030
Contributions

10:45 AM Randomized Generalized Error Minimizing Method for Linear Ill-Posed Problem - Ning Zheng (Tongji University)

11:10 AM Mixed-to-Low Precision Iterative Methods for Linear Inverse Problems - Lucas Onisk (Emory University)

11:35 AM Separable Nonlinear Bayesian Inverse Problems - Malena Espanol (Arizona State University)
Code-based Cryptography: G
G
10:45 AM - 12:00 PM
Room: Goodwin Hall 125
Contributions

10:45 AM Decoding from the Other Side: Primal vs. Dual Attacks - Kévin Carrier (École Polytechnique (France))

11:10 AM Post-Quantum Blind Signatures from Matrix Code Equivalence - Veronika Kuchta (Florida Atlantic University)

11:35 AM Half is Enough: halving keys through optimal representation of self-orthogonal codes - Rahmi El Mechri (Univeristà Politecnica delle Marche, Scuola IMT Alti Studi Lucca)
Linear Algebra Foundations for Data-driven Modeling and Model Order Reduction: G
G
10:45 AM - 12:00 PM
Room: Torgersen Hall 1020
Contributions

10:45 AM Dynamical Tensor Train Approximation for Kinetic Equations - Geshuo Wang (University of Washington)

11:10 AM Tensor-based Dynamic Mode Decomposition for Complex Dynamics - Feliks Nueske (Max-Planck-Institute DCTS Magdeburg)

11:35 AM Learning magnetic field structure from trajectories - David Bindel (Cornell University)
Hierarchical Low-Rank Approximations: Algorithms and Applications: G
G
10:45 AM - 12:00 PM
Room: McBryde Hall 113
Contributions

10:45 AM Extension of hierarchical matrices to hierarchical tensors with butterfly compression - Yang Liu (Lawrence Berkeley National Laboratory)

11:10 AM Estimating High-Dimensional Covariance Matrices with Hierarchical Rank Structure - Robin Armstrong (Cornell University)

11:35 AM Parametric Hierarchical Matrix Approximations to Kernel Matrices - Abraham Khan (North Carolina State University)
Eigenvalues of Nonnegative and Stochastic Matrices: G
G
10:45 AM - 12:00 PM
Room: Goodwin Hall 115
Contributions

10:45 AM C-realizability in the Symmetric Nonnegative Inverse Eigenvalue Problem: a combinatorial characterization - Julio Moro (Universidad Carlos III de Madrid)

11:10 AM Characteristic Polynomials of Nonnegative Hessenberg Matrices - Helena Šmigoc (University College Dublin)

11:35 AM NIEP: positive and irreducible realizations - Miriam Pisonero (Universidad de Valladolid, Spain)
Rational Approximation and Interpolation: Practical Applications, Challenges and Solutions: G
G
10:45 AM - 12:00 PM
Room: Torgersen Hall 1040
Contributions

10:45 AM A refined nonlinear least-squares method for the rational approximation problem - Michael Ackermann (Virginia Tech)

11:10 AM Descriptor realizations of multi-parameter systems and nonlinear eigenvalue problems - Athanasios Antoulas (Rice University)

11:35 AM The Loewner Framework Beyond Linear Outputs - Sean Reiter (Courant Institute of Mathematical Sciences, New York University)
Linear Algebra Education: G
G
10:45 AM - 12:00 PM
Room: Torgersen Hall 2150
Contributions

10:45 AM Visualizing the Spectral Theorem for Symmetric Matrices in a Dynamic Geometry Environment - Günhan Caglayan (New Jersey City University, Mathematics Department)

11:10 AM A Free Online Linear Algebra Textbook with Explorations that may Help your Students - Anna Davis (The Ohio State University) Paul Zachlin (Lakeland Community College)

11:35 AM Balancing Theory and Application in Numerical Linear Algebra with Modern Computational Tools - Sepideh Stewart (University of Oklahoma)
Advances in Randomized Algorithms and Kernel Methods for Rank-Structured Matrices: G
G
10:45 AM - 12:00 PM
Room: Torgersen Hall 3100
Contributions

10:45 AM Low-Rank Approximation by Randomly Pivoted LU - Marc Aurèle Gilles (Princeton University)

11:10 AM Proxy Points and Rational Approximation Using Contour Integration - Mikhail Lepilov (Rensselaer Polytechnic Institute)

11:35 AM Kernel-Based Variational Formulations of Nonlocal Mean-Field Games - Siting Liu (University of California, Riverside)
Recent Advances in Tensor Decompositions for Model and Data Reduction: G
G
10:45 AM - 12:00 PM
Room: Torgersen Hall 1060
Contributions

10:45 AM Streaming Compression of Scientific Data through Weak-SINDy and POD Integration - Rick Archibald (Oak Ridge National Laboratory)

11:10 AM Improving prediction for a low rank tensor ROM via continuous data assimilation - Leo Rebholz (Clemson University)

11:35 AM Derivative informed Tucker tensor train Taylor series surrogate models - Nick Alger (University of Texas, Austin)
Polynomials, Krylov Methods and Applications: G
G
10:45 AM - 12:00 PM
Room: McBryde Hall 129
Contributions

10:45 AM Spectral density estimation for random matrices - Charbel Abi Younes (University of Washington)

11:10 AM On block Krylov and matrix polynomials - Michele Rinelli (KU Leuven)

11:35 AM A Generalized Framework for Orthogonal Rational Functions applied to Rational Approximation - Robbe Vermeiren (KU Leuven)
12:00 PM Excursion Departure
Excursion Departure
12:00 PM - 12:30 PM
Room: Goodwin Hall Parking Lot

12:30 PM Excursions
Excursions
12:30 PM - 5:30 PM

6:00 PM Departure to Conference Dinner
Departure to Conference Dinner
6:00 PM - 6:45 PM
Room: Hyatt Place Parking Lot

6:45 PM Conference Dinner
Conference Dinner
6:45 PM - 11:00 PM
Room: Eastern Divide Brewing Company
Thursday, May 21, 2026

8:20 AM Announcements
Announcements
8:20 AM - 8:30 AM
Room: McBryde Hall 100
8:30 AM Plenary Talks
8:30 AM - 10:15 AM
Room: McBryde Hall 100
Contributions

8:30 AM When Structured Matrices Pay Off: Linear Algebra at the Heart of Wireless Communication - Sirani M. Perera (Embry-Riddle Aeronautical University, USA)

9:25 AM Numerical Ranges and Dilations: Theoretical Advances and Applied Perspectives - Chi-Kwong Li (College of William and Mary)
10:15 AM Conference Photo
Conference Photo
10:15 AM - 10:25 AM
Room: McBryde Hall 100

10:25 AM Coffee Break
Coffee Break
10:25 AM - 11:00 AM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
11:00 AM Contributed Talks: H
H
11:00 AM - 12:15 PM
Room: Torgersen Hall 3100
Contributions

11:00 AM A-posteriori error estimates for randomized low-rank approximations - Lorenzo Lazzarino (University of Oxford)

11:25 AM Randomized algorithms for operator trace estimation - Hrvoje Olić (Faculty of Science, University of Zagreb)
Matrix Geometries: H
H
11:00 AM - 12:15 PM
Room: Goodwin Hall 135
Contributions

11:00 AM Locally Diffeomorphic Logarithm of Special Orthogonal Matrices - Zhifeng Deng (Xiamen University)

11:25 AM Special orthogonal, special unitary, and symplectic groups as products of Grassmannians - Xiang Lu (University of Chicago)

11:50 AM On the Identifiability of Transformer Self-Attention - Nathan Henry (University of California, Berkeley)
The Inverse Eigenvalue Problem of a Graph and Zero Forcing: H
H
11:00 AM - 12:15 PM
Room: Goodwin Hall 155
Contributions

11:00 AM Resolving Inverse Singular Value Problems with Spoiler Spaces - Caleb Cheung (University of Wyoming)

11:25 AM The Inverse Symplectic Eigenvalue Problem and Coupled Zero Forcing for Graphs - Himanshu Gupta (University of Regina)

11:50 AM An inverse eigenvalue problem for structured matrices determined by graph pairs - Minerva Catral (Xavier University)
Numerical Ranges and Numerical Radii: H
H
11:00 AM - 12:15 PM
Room: Goodwin Hall 145
Contributions

11:00 AM On the ellipticity of the higher rank numerical range - Rute Lemos (CIDMA, University of Aveiro, Portugal)

11:25 AM Numerical Range of Positive Hermitian Hankel Matrices - Brooke Randell (UCSC)

11:50 AM The Cauchy Equation and Norm-Additive Mappings on Positive Cones of Commutative $C^{*}$-Algebras - Daisuke Hirota (National Institute of Technology, Tsuruoka College)
Inverse Problems and Uncertainty Quantification through the Lens of Numerical Linear Algebra: H
H
11:00 AM - 12:15 PM
Room: Torgersen Hall 1030
Contributions

11:00 AM Projected Regularization in Low Precision - Chelsea Drum (Emory University)

11:25 AM Bayesian inference for rough feature reconstructions - Lassi Roininen (LUT University)

11:50 AM Data-driven discovery of chemical reaction networks - Abraham Reyes Velazquez (University of Manchester)
Code-based Cryptography: H
H
11:00 AM - 12:15 PM
Room: Goodwin Hall 125
Contributions

11:00 AM Relative generalized Hamming weights and their applications in cryptography - Rodrigo San-José (Virginia Tech)

11:25 AM Code Rigidity in Characteristic 2 - Adam Downs (Virginia Tech)

11:50 AM Sample Complexity of the Matrix Code Equivalence Problem - Wendi Gao
Linear Algebra Foundations for Data-driven Modeling and Model Order Reduction: H
H
11:00 AM - 12:15 PM
Room: Torgersen Hall 1020
Contributions

11:00 AM Adaptive kernel methods - Matthias Voigt (UniDistance Suisse)

11:25 AM Non-intrusive reduced-order models for parameterized partial differential equations using kernel methods - Alejandro Diaz (Sandia National Laboratories)

11:50 AM Matrix Structures for Certified Stability of Nonlinear Reduced Models - Peter Benner
Hierarchical Low-Rank Approximations: Algorithms and Applications: H
H
11:00 AM - 12:15 PM
Room: McBryde Hall 113
Contributions

11:00 AM Superfast and stable divide-and-conquer singular value decomposition for hierarchical rank-structured matrices - Chenyang Cao (Purdue University)

11:25 AM Unknown hierarchies, hyperbolic PDE, and randomized rank detection - Christopher Wang (Cornell University)
Eigenvalues of Nonnegative and Stochastic Matrices: H
H
11:00 AM - 12:15 PM
Room: Goodwin Hall 115
Contributions

11:00 AM New Results on the Doubly Stochastic Inverse Eigenvalue Problem - Ludovick Bouthat (Université Laval)

11:25 AM Eigenvalue regions and realising matrices for monotone stochastic matrices - Brando Vagenende (Department Business Technology and Operations, Data Analytics Laboratory, Vrije Universiteit Brussel (VUB))

11:50 AM Spectrally Complete Subsets and Eigenvalue Regions of classes of Stochastic Matrices - Brecht Verbeken (Vrije Universiteit Brussel)
Rational Approximation and Interpolation: Practical Applications, Challenges and Solutions: H
H
11:00 AM - 12:15 PM
Room: Torgersen Hall 1040
Contributions

11:00 AM Rational quasi-Hermite approximation for computing acoustic quasiresonances in transmission problems - Luka Marohnić (Zagreb University of Applied Sciences)

11:25 AM Tensor-based multivariate rational approximation - Leonie Van Pottelberghe (KU Leuven)

11:50 AM Greedy rational approximation: Analysis and algorithms of sketched resolvents - Akil Narayan (University of Utah)
Polynomials, Krylov Methods and Applications: H
H
11:00 AM - 12:15 PM
Room: McBryde Hall 129
Contributions

11:00 AM Computing Functions of Rank-structured or Telescopic Matrices. - Andrea Baleani (Scuola Normale Superiore di Pisa)

11:25 AM (Block) Lanczos Function Approximation for Quasi-Newton Optimization Algorithms - Cooper Simpson (University of Washington)

11:50 AM Everything is Vecchia: Unifying low-rank and sparse inverse approximations - Robert Webber (University of California San Diego)
New Advancements in Tensor Decomposition and Computation: H
H
11:00 AM - 12:15 PM
Room: Torgersen Hall 1060
Contributions

11:00 AM Multiscale Grassmann Manifolds for Single-Cell Data Analysis - Xiang Xiang Wang (Michigan State University)

11:25 AM Revisit CP Tensor Decomposition: Statistical Optimality and Fast Convergence - Augustine (Runshi) Tang (University of Wisconsin-Madison)

11:50 AM The Nondecreasing Rank - Andrew McCormack (University of Alberta)
12:15 PM Lunch Break
Lunch Break
12:15 PM - 2:00 PM
2:00 PM ILAS Education Workshop: Bridging Abstract and Numerical Linear Algebra - Mike Michailidis (Mathworks) Rachel Quinlan (University of Galway) Sepideh Stewart (University of Oklahoma)
ILAS Education Workshop: Bridging Abstract and Numerical Linear Algebra
- Mike Michailidis (Mathworks)
- Rachel Quinlan (University of Galway)
- Sepideh Stewart (University of Oklahoma)
2:00 PM - 3:40 PM
Room: Torgersen Hall 2150 This workshop will discuss ways of bridging abstract and numerical linear algebra. Our topics are included, but not limited to, the following: • How to introduce numerical linear algebra to students (some examples of coding and programming will be provided), • The role of AI in teaching and learning linear algebra, • The role of technology in teaching linear algebra, • Collaboration, creating and sharing resources (GitHub), lesson plans, and publications Everybody is welcome! See the associated [website][1] [1]: https://ilas-ed.math.ou.edu/conferences-and-workshops/workshop2026/
Contributed Talks: I1
I1
2:00 PM - 3:40 PM
Room: McBryde Hall 129
Contributions

2:00 PM On the Choice of Sign Defining Householder Transformations - Michael Overton (New York University)

2:25 PM Fast computation of eigenvalues of periodic CMV matrices - David S Watkins (Washington State University)
Contributed Talks: I2
I2
2:00 PM - 3:40 PM
Room: Goodwin Hall 115
Contributions

2:00 PM Newton's Method for Computing the CP Decomposition - DuBose Tuller

2:25 PM A Superfast Direct Solver of Type-III Inverse Nonuniform Discrete Fourier Transform Problem - Jingyu Liu (Fudan University)

2:50 PM Quantum Spectral Methods for Poisson and Heat Equations - Giacomo Antonioli (Universita di Pisa)
Spectral Graph Theory: I
I
2:00 PM - 3:40 PM
Room: Goodwin Hall 125
Contributions

2:00 PM Spectral theory of $K_t$-decomposable graphs - Matt Burnham (Iowa State University)

2:25 PM Connectivity of distance-regular graphs - Isabel Byrne (University of Delaware)

2:50 PM The non-existence of Moore polygons and spectral Moore bounds - Vishal Gupta (University of Rochester)

3:15 PM Delsarte designs and Galois groups - William Martin (Worcester Polytechnic Institute)
The Inverse Eigenvalue Problem of a Graph and Zero Forcing: I
I
2:00 PM - 3:40 PM
Room: Goodwin Hall 155
Contributions

2:00 PM Multi-digraphs with maximum nullity at most one - Hein Van der Holst (Georgia State University)

2:25 PM Tools for Determining the Minimum Rank of a Graph - Mark Hunnell (Winston-Salem State University)

2:50 PM Graph Products to Achieve few Distinct Eigenvalues - Mark Kempton (Brigham Young University)

3:15 PM A Graphical Approach to Isospectral Unfoldings - Dallin Seyfried (Brigham Young University)
Inverse Problems and Uncertainty Quantification through the Lens of Numerical Linear Algebra: I
I
2:00 PM - 3:40 PM
Room: Torgersen Hall 1030
Contributions

2:00 PM Discretization-free Bayesian inverse problems - Erkki Somersalo (Case Western Reserve University)

2:25 PM Parametric Hyperbolic Conservation Laws: Learning Hyperbolic Conservation Laws from Data through Symmetrization. - Lizuo Liu (Dartmouth College)

2:50 PM Interpolation-Based Estimation and Uncertainty Quantification of Periodic Time-Varying Parameters - Andrea Arnold (Worcester Polytechnic Institute)

3:15 PM Streaming Algorithms for Big Data Inverse Problems - Eric de Sturler (Virginia Tech)
Theoretical Advances in Operator Learning: I
I
2:00 PM - 3:40 PM
Room: McBryde Hall 113
Contributions

2:00 PM Operator Learning at Machine Precision - Aras Bacho (California Institute of Technology)

2:25 PM Operator Learning via Learned Differential Operators - Juan Felipe Osorio Ramirez (University of Washington)

2:50 PM Towards High-Precision Optimizers for Scientific Machine Learning - Gil Goldshlager (UC Berkeley)

3:15 PM Estimation for intrinsic Gaussian processes - Christopher Beattie (Virginia Tech)
Linear Algebra Foundations for Data-driven Modeling and Model Order Reduction: I
I
2:00 PM - 3:40 PM
Room: Torgersen Hall 1020
Contributions

2:00 PM Approximate Deconvolution and Spatial Filtering of Reduced Order Models for Fluid Flow - Jorge Reyes (Virginia Tech)

2:25 PM Randomized Linear Algebra for Symplectic Model Order Reduction of Hamiltonian Systems - Robin Herkert (University of Stuttgart)

2:50 PM Reduced Order Modeling of Conservation Laws via CDT - Sarswati Shah

3:15 PM Solution of generalized tensor Lyapunov equations arising in optimal control and model reduction - Boris Kramer (University of California San Diego)
Topics in Randomized Numerical Linear Algebra: I
I
2:00 PM - 3:40 PM
Room: Torgersen Hall 3100
Contributions

2:00 PM Robust hybrid infinite and finite dimensional tensor factorizations - Jocelyn Chi (University of Minnesota Twin Cities)

2:25 PM Randomized Numerical Linear Algebra for Tensor-Based Transformers - Katherine Pearce (Oden Institute, UT Austin)

2:50 PM Blocked Leverage Score Sampling in the Randomized Alternating Least Squares CP Tensor Decomposition - Karl Pierce (University of Maryland, College Park)

3:15 PM Accelerating Ptychographic Reconstruction via Stochastic Multilevel Optimization - Zichao Wendy DI (Argonne National Lab)
Symplectic Linear Algebra and Applications: I
I
2:00 PM - 3:40 PM
Room: Torgersen Hall 1040
Contributions

2:00 PM Structure-preserving Krylov Subspace Approximations for the Matrix Exponential of Hamiltonian Matrices - Heike Faßbender (TU Braunschweig, Institute for Numerical Analysis)

2:25 PM On symplectic reduction of a matrix to upper $J$-Hessenberg form - Ahmed Salam (Université du Littoral-Côte d'Opale)

2:50 PM The $\phi-$Reversibility Problem for the Real Symplectic Group - Nicole Joy Datu (University of the Philippines Diliman)

3:15 PM On generalization of Williamson's theorem to real symmetric matrices - Hemant Mishra (Indian Institute of Technology (ISM) Dhanbad)
Model- and Data-driven Reduced-order Models and Their Applications in Inverse Problems: I
I
2:00 PM - 3:40 PM
Room: Goodwin Hall 145
Contributions

2:00 PM Multiparameter Waveform Inversion via Reduced Order Modeling - Alexander Mamonov (University of Houston)

2:25 PM Characterization of the response of electric circuits with two kinds of passive elements - Fernando Guevara Vasquez (University of Utah)

2:50 PM Adaptive data-driven reduced-order models of port-Hamiltonian dynamical systems for nonlinear inverse scattering applications - Mikhail Zaslavskiy (Southern Methodist University)
New Advancements in Tensor Decomposition and Computation: I
I
2:00 PM - 3:40 PM
Room: Torgersen Hall 1060
Contributions

2:00 PM Transform-Based Multilinear Algebra via Tensor Decompositions - Yidan Mei (Yale University)

2:25 PM Iterative methods for tensor systems under the t-product - Anna Ma (University of California, Irvine)

2:50 PM Tensor Methods for Multi-omics Data - Neriman Tokcan (University of Massachusetts Boston)
Combinatorial Matrix Theory: I
I
2:00 PM - 3:40 PM
Room: Goodwin Hall 135
Contributions

2:00 PM Spectral bounds for the clique number of a graph - Sudipta Mallik (Marshall University)

2:25 PM Hermitian Spectra of Merged Subdivision Mixed Graphs - Enide Andrade (Center for Research and Development in Mathematics and Applications (CIDMA), Department of Mathematics, University of Aveiro, Portugal)

2:50 PM How to Combinatorially Prove Matrices are Mutually Inverse - Aditya Khanna (Virginia Tech)
3:40 PM Coffee Break
Coffee Break
3:40 PM - 4:15 PM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium

4:15 PM ILAS Business Meeting
ILAS Business Meeting
4:15 PM - 6:00 PM
Room: McBryde Hall 100
Friday, May 22, 2026

8:30 AM Announcements
Announcements
8:30 AM - 8:45 AM
Room: McBryde Hall 100
8:45 AM Contributed Talks: J
J
8:45 AM - 10:00 AM
Room: Torgersen Hall 1040
Contributions

8:45 AM A More Robust Streaming Dynamic Mode Decomposition - Ela Đimoti (University of Zagreb)

9:10 AM Fast and accurate solution of the periodic differential matrix Riccati equation - Aleksandr Malyshev

9:35 AM Spectral clustering and accelerated SSO for large and dense problem - Jiayu Bian (KTH Royal Institute of Technology)
Inverse Problems and Uncertainty Quantification through the Lens of Numerical Linear Algebra: J
J
8:45 AM - 10:00 AM
Room: Torgersen Hall 1030
Contributions

8:45 AM Multigrid-Accelerated Sparsity-Promoting Projection Methods for Inverse Problems - Jonathan Lindbloom (Dartmouth College)

9:10 AM Time-varying Bayesian Inverse Problems with Sparse Priors and Randomization - Diego Arenas Mata (Virginia Tech)

9:35 AM A Provably Convergent MM-GKS Variant for Large-Scale Image Reconstruction Problems - Misha Kilmer (Tufts University)
Code-based Cryptography: J
J
8:45 AM - 10:00 AM
Room: Goodwin Hall 125
Contributions

8:45 AM Code-Based Arithmetic Circuits - Freeman Slaughter (University of South Florida)

9:10 AM Code distances: a new family of invariants of linear codes - Hiram López (Virginia Tech)

9:35 AM An Elementary Analysis of Multivariate Goppa Codes - William Mahaney (Virginia Tech)
Linear Algebra Foundations for Data-driven Modeling and Model Order Reduction: J
J
8:45 AM - 10:00 AM
Room: Torgersen Hall 1020
Contributions

8:45 AM Loewner linearizations of structured rational matrices - Paul Van Dooren (Universite catholique de Louvain)

9:10 AM Tackling the curse of dimensionality through the parametric Loewner framework: recent advances and applications - Ion Victor Gosea (Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany)

9:35 AM From Structured Loewner Matrices to Balanced Mechanical Systems - Steffen W. R. Werner (Virginia Tech)
Hierarchical Low-Rank Approximations: Algorithms and Applications: J
J
8:45 AM - 10:00 AM
Room: McBryde Hall 113
Contributions

8:45 AM An adaptive method for constructing hierarchical approximations and its application to inverse problems - Chao Chen (NC State)

9:10 AM Circulant Preconditioning fractional PDEs on Adaptive Meshes - Kate Wall (Tufts University)

9:35 AM Adaptive coarse space for multi-level overlapping Schwarz preconditioners in FROSch - Ichitaro Yamazaki (Sandia Labs)
Topics in Randomized Numerical Linear Algebra: J
J
8:45 AM - 10:00 AM
Room: Torgersen Hall 3100
Contributions

8:45 AM Accelerating Asynchronous Iterative Methods with Residual-Biased Randomization - Evan Coleman (University of Mary Washington)

9:10 AM Block Subset Selection based on Randomized QR with Column Pivoting - Mitchell Scott (Emory University)

9:35 AM Singular values and vectors of sparse random rectangular matrices at criticality - Haixiao Wang (University of Wisconsin-Madison)
Spectral Interlacing, Graph Learning, and Quantum Perspectives on Signed Graphs: J
J
8:45 AM - 10:00 AM
Room: Goodwin Hall 115
Contributions

8:45 AM Quantum-Classical Algorithms for Counting Triangles in a Signed Edge Stream - Bibhas Adhikari (Fujitsu Research of America, Inc.)

9:10 AM State transfer in discrete quantum walks: from coins to weighted graphs - Hanmeng Zhan (Worcester Polytechnic Institute)
Polynomials, Krylov Methods and Applications: J
J
8:45 AM - 10:00 AM
Room: McBryde Hall 129
Contributions

8:45 AM Tensor Network Krylov Methods: Algorithms, Theory Gaps, and Open Problems - Chris Camaño (Caltech)

9:10 AM Randomized Row Norm Estimation: Algorithms and Applications - Alexander Hsu (University of Washington)

9:35 AM The Matrix-Vector Complexity of Ax=b - Raphael Meyer (UC Berkeley)
New Advancements in Tensor Decomposition and Computation: J
J
8:45 AM - 10:00 AM
Room: Torgersen Hall 1060
Contributions

8:45 AM Tensor Data for Control Strategies in Systems - Carmeliza Navasca (University of Alabama at Birmingham)

9:10 AM Preconditioners for Kronecker Sum Systems with Applications to Polynomial Feedback Control - Jeff Borggaard (Virginia Tech)

9:35 AM A greedy approach for approximate tensor diagonalization - Anna Konstorum
10:00 AM Coffee Break
Coffee Break
10:00 AM - 10:45 AM
Room: Goodwin Hall Atrium & Torgersen Hall Atrium
10:45 AM Plenary Talks
10:45 AM - 12:30 PM
Room: McBryde Hall 100
Contributions

10:45 AM Geometric and Algebraic Methods for Constructing Hierarchically Low-Rank Matrices - Sherry Li (LBNL)

11:40 AM Nodal Statistics for Graphs and Matrices - John Urschel (MIT)
12:30 PM Closing Remarks
Closing Remarks
12:30 PM - 12:40 PM
Room: McBryde Hall 100

Choose timezone