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

Descriptor realizations of multi-parameter systems and nonlinear eigenvalue problems

May 20, 2026, 11:10 AM

25m

Torgersen Hall 1040 (Virginia Tech)

Minisymposium Talk Rational Approximation and Interpolation: Practical Applications, Challenges and Solutions Rational Approximation and Interpolation: Practical Applications, Challenges and Solutions

Speaker

Athanasios Antoulas (Rice University)

Description

Purpose of this presentation is to discuss novel descriptor realizations of linear multiple-parameter systems and their connection to nonlinear eigenvalue problems. The work is based on recent developments of the Loewner framework as exposed in a SIAM Review paper, published in November 2025.