This paper deals with some properties of convex functions and their applications to problems of the calculus of variations, both in the convex case, where Rockafellar is one of the main experts in the world, and also in the quasiconvex case, a field which still is not completely understood.

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P. Marcellini. “Some Remarks on Convexity.” Journal of Convex Analysis 32 (2025), No. 2, 565–577. https://doi.org/10.68381/jca32027