Extreme points and geometric aspects of compact convex sets in asymmetric normed spaces

被引:5
|
作者
Jonard-Perez, Natalia [1 ]
Sanchez Perez, Enrique A. [2 ]
机构
[1] Univ Murcia, Dept Matemat, Campus Espinardo, E-30100 Murcia, Spain
[2] Univ Politecn Valencia, Inst Univ Matemat Pura & Aplicada, Camino Vera S-N, E-46022 Valencia, Spain
关键词
Asymmetric normed space; Compact set; Convex set; Extreme point;
D O I
10.1016/j.topol.2015.12.071
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The Krein-Milman theorem states that every compact convex subset in a locally compact convex space is the closure of the convex hull of its extreme points. Inspired by this result, we investigate the existence of extreme points in compact convex subsets of asymmetric normed spaces. We focus our attention in the finite dimensional case, giving a geometric description of all compact convex subsets of a finite dimensional asymmetric normed space. (C) 2016 Elsevier B.V. All rights reserved.
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页码:12 / 21
页数:10
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