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

Numerical Range of Positive Hermitian Hankel Matrices

May 21, 2026, 11:25 AM

25m

Goodwin Hall 145 (Virginia Tech)

Minisymposium Talk Numerical Ranges and Numerical Radii Numerical Ranges and Numerical Radii

Speaker

Brooke Randell (UCSC)

Description

In 2022, Hwa-Long Gau and Pei Yuan Wu discussed the numerical range of various Hankel matrices with an emphasis on which subsets of the complex plane are attainable. We will be discussing as well as expanding upon these results when the Hankel matrices are positive and Hermitian.