On the Extension of Continuous Quasiconvex Functions

被引:2
|
作者
De Bernardi, Carlo Alberto [1 ]
机构
[1] Univ Cattolica Sacro Cuore, Dipartimento Matemat Sci Econ Finanziarie & Attua, Via Necchi 9, I-20123 Milan, Italy
关键词
Quasiconvex function; Extension; Convex set; Normed linear space; POLYHEDRAL SECTIONS; DIFFERENTIABILITY; POINTS;
D O I
10.1007/s10957-020-01767-x
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
We study the problem of extending continuous quasiconvex real-valued functions from a subspace of a real normed linear space. Our results are essentially finite-dimensional and are based on a technical lemma which permits to "extend" a nested family of open convex subsets of a given subspace to a nested family of open convex sets in the whole space, in such a way that certain topological conditions are satisfied.
引用
收藏
页码:421 / 430
页数:10
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