Spectral estimates in the quantum annulus and in the numerical annulus
Michel Crouzeix (IRMAR)
TL;DR
This paper enhances spectral estimates for matrices within the quantum and numerical annuli, advancing understanding in non-commutative geometry and matrix analysis.
Contribution
It provides improved bounds and estimates for matrices in the quantum and numerical annuli, refining prior results.
Findings
Enhanced spectral bounds for quantum annulus matrices
Refined estimates for numerical annulus matrices
Improved understanding of spectral properties in non-commutative settings
Abstract
We improve previous estimates for matrices belonging to the quantum annulus or to the numerical annulus.
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Taxonomy
TopicsSpectral Theory in Mathematical Physics · Holomorphic and Operator Theory · Advanced Operator Algebra Research