In dictionaries:
strictly convex function
Curvature never decreases, always positive.
Logarithmically convex function
In mathematics, a function f is logarithmically convex or superconvexKingman, J.F.C. 1961.
Proper convex function
In mathematical analysis, in particular the subfields of convex analysis and optimization, a proper convex function is an extended real-valued convex function with a non-empty domain, that never takes on the value and also is not identically equal to
Closed convex function
In mathematics, a function is said to be closed if for each , the sublevel set
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