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Jensen's Operator Inequality for Functions of Several Variables

The operator convex functions of several variables are characterized in terms of a non-commutative generalization of Jensen's inequality, extending previous results of F. Hansen and G.K. Pedersen for ...
JSTOR Daily

AN EXPANSION FORMULA FOR THE H-FUNCTION OF SEVERAL VARIABLES

Bulletin mathématique de la Société des Sciences Mathématiques de la République Socialiste de Roumanie, Nouvelle Série, Vol. 27 (75), No. 3 (1983), pp. 221-226 (6 pages) In the present note the ...