On E-Convex Sets, E-Convex Functions, and E-Convex Programming |
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| Authors: | X M Yang |
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| Institution: | (1) Department of Mathematics, Chongqing Normal University, Chongqing, PRC;(2) Present address: Department of Applied Mathematics, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PRC |
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| Abstract: | Recently, E-convex sets and E-convex functions were introduced in Ref. 1. However, some results seem to be incorrect. In this note, some counterexamples are given. |
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| Keywords: | E-convex sets E-convex functions properties counterexamples |
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