Results 71 to 80 of about 85 (82)

NUMERICAL RANGE AND PONCELET PROPERTY

Taiwanese Journal of Mathematics, 2003
Pei Yuan Wu, Hwa-Long Gau
exaly  

The higher rank numerical range is convex

Linear and Multilinear Algebra, 2008
Hugo Woerdeman
exaly  

Elementary proofs for some results on the circular symmetry of the numerical range

Linear and Multilinear Algebra, 2013
Chi-Kwong Li
exaly  

Four Theorems with Their Foci on Ellipses

American Mathematical Monthly, 2019
exaly  

Numerical radii of zero-one matrices.

Michigan Mathematical Journal, 1988
exaly  

Matrix p-Norms Are NP-Hard to Approximate If $p\neq1,2,\infty$

SIAM Journal on Matrix Analysis and Applications, 2010
Julien Hendrickx, Alex Olshevsky
exaly  

Line segments and elliptic arcs on the boundary of a numerical range

Linear and Multilinear Algebra, 2008
Pei Yuan Wu, Hwa-Long Gau
exaly  

The numerical radius of a commuting product.

Michigan Mathematical Journal, 1988
exaly  

Operator norms as bounds for roots of algebraic equations

Proceedings of the Japan Academy Series A: Mathematical Sciences, 1973
Masatoshi Fujii
exaly  

A Resolvent Criterion for Normality

American Mathematical Monthly, 2018
exaly