May 18 – 22, 2026
Virginia Tech
America/New_York timezone

Householder Sets and Relative Pseudospectra

May 18, 2026, 5:00 PM
25m
Goodwin Hall 115 (Virginia Tech)

Goodwin Hall 115

Virginia Tech

Contributed Talk Contributed Talks Contributed Talks

Speaker

Paul Zachlin (Lakeland Community College)

Description

We study eigenvalue inclusion regions first defined by Householder and explore applications to large, sparse matrices. We also study pseudospectra and relative pseudospectra, which are similarly defined eigenvalue inclusion regions. Then we explore connections between these sets.

Author

Paul Zachlin (Lakeland Community College)

Co-author

Michiel Hochstenbach (TU Eindhoven)

Presentation materials

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