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Journal of Convex Analysis 16 (2009), No. 3, 1035--1038
Copyright Heldermann Verlag 2009

On Two Open Problems in Convex Analysis

Constantin Zalinescu
University "Al. I. Cuza", Faculty of Mathematics, Bd. Copou Nr. 11, 6600 Iasi, Romania

In his recent book "From Hahn-Banach to Monotonicity" (Springer-Verlag, Berlin, 2008) S. Simons formulated several open problems. In this short note we give the answer to Problem 11.6 and a short proof to the answer given by R. I. Bot and R. Csetnek to Problem 11.5.

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