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Journal of Convex Analysis 09 (2002), No. 1, 291--294 Copyright Heldermann Verlag 2002 Variational Sum and Kato's Conjecture Toka Diagana Dept. of Mathematics, Howard University, 2441 6th Street, N.W., Washington, DC 20059, U.S.A. tdiagana@howard.edu Our aim in this paper is to compare the variational sum recently introduced by Attouch, Baillon and Théra and the concept of generalized sum. Under appropriate hypotheses, we show that these sums coincide and that the variational sum is a maximal monotone operator. Keywords: Algebraic sum, sum form, variational sum, Kato's condition, maximal monotone operators. MSC: 47B44, 47H05; 47A07, 11E05 [ Fulltext-pdf (153 KB)] |