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检索条件"主题词=spherically convex function"
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Lipschitz-continuity of spherically convex functions
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Acta Mathematica Sinica,English Series 2023年 第2期39卷 363-374页
作者: Yin ZHANG Qi GUO Department of Mathematics Suzhou University of Science and TechnologySuzhou215009China
In this article,some basic and important properties of spherically convex functions,such as the Lipschitz-continuity,are investigated.It is shown that,under a weaker condition,every family of spherically convex functi... 详细信息
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Differentiability of functions on Spheres and Criterions of convexity
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Wuhan University Journal of Natural Sciences 2022年 第4期27卷 273-280页
作者: CHEN Tingting GUO Qi Department of Mathematics Suzhou University of Science and TechnologySuzhou 215009JiangsuChina
Some basic concepts for functions defined on subsets of the unit sphere,such as the s-directional derivative,s-gradient and s-Gateaux and s-Frechet differentiability etc,are introduced and investigated.These concepts ... 详细信息
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