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On a 2-Relative Entropy. [PDF]

open access: yesEntropy (Basel), 2021
Fullwood J.
europepmc   +1 more source

Upper semicontinuous functions and the stone approximation theorem

open access: yesJournal of Approximation Theory, 1982
In convex function theory it has long been recognized as useful to identify a convex function with its epigraph, the convex set of points on or above its graph. Similarly, a concave function is identified with its hypograph, the convex set of points on or below its graph. Analysis is then performed in the product space. We present two standard examples.
openaire   +1 more source

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