Displaying similar documents to “Characterizations of convexities of normed spaces by means of g -angles.”

A remark on polyconvex envelopes of radially symmetric functions in dimension 2 × 2

Ondřej Došlý (1997)

Applications of Mathematics

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We study polyconvex envelopes of a class of functions related to the function of Kohn and Strang introduced in . We present an example of a function of this class for which the polyconvex envelope may be computed explicitly and we also point out some general features of the problem.