The structure of the core of a numerical contraction

DOI10.1007/BF01197536zbMath0836.47004MaRDI QIDQ1900676

Takuya Hara

Publication date: 29 April 1996

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

zbMATH Keywords

extreme pointsnumerical contractionselfadjoint contraction

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Structure theory of linear operators (47A65)

Cites Work

• Model theory and linear extreme points in the numerical radius unit ball
• Some mapping theorems for the numerical range
• On Majorization, Factorization, and Range Inclusion of Operators on Hilbert Space
• Mapping Theorems for the Numerical Range
• Unnamed Item