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math.CA2023
On convexity properties with respect to a Chebyshev system
Zsolt Páles, Mahmood Kamil Shihab
The main purpose of this paper is to introduce various convexity concepts in terms of a positive Chebyshev system and give a systematic investigation of the relations among the…
math.CA2021
Decomposition of higher-order Wright convex functions revisited
Zsolt Páles, Mahmood Kamil Shihab
In 2009, Maksa and Páles established an extension of the decomposition theorem of Ng in the context of higher-order convexity notions. They proved that a real function is Wright co…