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Journal of Convex Analysis 14 (2007), No. 1, 099--102
Copyright Heldermann Verlag 2007

On the Closedness of the Sum of Closed Convex Cones in Reflexive Banach Spaces

Eric Beutner
Institute of Statistics, RWTH Aachen University, 52056 Aachen, Germany

We establish a sufficient condition for the sum of two closed convex cones K and L of a reflexive Banach space to be closed.

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