A Quiver Invariant Theoretic Approach to Radial Isotropy and the Paulsen Problem for Matrix Frames

DOI10.1137/21M141470XMaRDI QIDQ5057035

Jasim Ismaeel, Calin Chindris

Publication date: 14 December 2022

Published in: SIAM Journal on Applied Algebra and Geometry (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2104.11310

zbMATH Keywords

framesorbit polytopescritical quiver representationsgeometric Brascamp-Lieb quiver dataParseval matrix framesradial isotropic matrix framessemistable frames

Mathematics Subject Classification ID

Algebraic moduli problems, moduli of vector bundles (14D20) Inequalities for sums, series and integrals (26D15) General harmonic expansions, frames (42C15) Representations of quivers and partially ordered sets (16G20) Computational difficulty of problems (lower bounds, completeness, difficulty of approximation, etc.) (68Q17)

Related Items (max. 100)

Representations of free products of semisimple algebras via quivers

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