SOME INEQUALITIES OF JENSEN TYPE FOR ARG-SQUARE CONVEX FUNCTIONS OF UNITARY OPERATORS IN HILBERT SPACES

Some inequalities of Jensen type for Arg-square-convex functions of unitary operators in Hilbert spaces are given.

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Bibliographic Details
Published inBulletin of the Australian Mathematical Society Vol. 90; no. 1; pp. 65 - 73
Main Author DRAGOMIR, S. S.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.08.2014
Subjects
Hilbert space
Operators (mathematics)
Jensen’s inequality
Spectral theory
Riemann–Stieltjes integral inequalities
secondary 41A51
primary 26D15
47A63
Unitary operators in Hilbert spaces
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Summary:Some inequalities of Jensen type for Arg-square-convex functions of unitary operators in Hilbert spaces are given.
ISSN:0004-9727
1755-1633
DOI:10.1017/S0004972714000045