Inequalities between ∥f(A + B)∥ and ∥f(A) + f(B)∥

Linear Algebra and Its Applications

Volumn 418, Issue 1, 2006, Pages 153-160

  Kosem, Tomaž ^a  

^a UNIVERSITY OF LJUBLJANA   (Slovenia)

Author keywords

Concave function; Convex function; Functional calculus; Inequality; Operator monotone function; Positive semidefinite matrix; Unitarily invariant norm

Indexed keywords

COMPUTATIONAL COMPLEXITY; FUNCTION EVALUATION; FUNCTIONS; MATHEMATICAL OPERATORS; PROBLEM SOLVING;

CONCAVE FUNCTIONS; CONVEX FUNCTIONS; FUNCTIONAL CALCULUS; INEQUALITY; OPERATOR MONOTONE FUNCTION; POSITIVE-SEMIDEFINITE MATRIX; UNITARILY INVARIANT NORM;

LINEAR ALGEBRA;

EID: 33747851450     PISSN: 00243795     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.laa.2006.01.028     Document Type: Article

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