$\varphi$信封的实现集和泛型属性

IF 0.3 4区数学 Q4 MATHEMATICS

Mathematica Scandinavica Pub Date : 2019-06-17 DOI:10.7146/MATH.SCAND.A-110766

A. Cabot, A. Jourani, L. Thibault, D. Zagrodny

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引用次数: 1

摘要

研究了函数在给定点上$\varphi$-包络的可达集。将函数的闭凸包的$\varphi$包络的可达集包含到函数的可达集中，是在足够通用的设置中保留的，以包含$\varphi$是不小于$1$幂的范数的情况。在几个基本情况下，在给定空间的泛型子集上保证了可达集的非空性。

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The attainment set of the $\varphi$-envelope and genericity properties

The attainment set of the $\varphi$-envelope of a function at a given point is investigated. The inclusion of the attainment set of the $\varphi$-envelope of the closed convex hull of a function into the attainment set of the function is preserved in sufficiently general settings to encompass the case $\varphi$ being a norm in a power not less than $1$. The non-emptiness of the attainment set is guaranteed on generic subsets of a given space, in several fundamental cases.

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来源期刊

Mathematica Scandinavica 数学-数学

CiteScore

0.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mathematica Scandinavica is a peer-reviewed journal in mathematics that has been published regularly since 1953. Mathematica Scandinavica is run on a non-profit basis by the five mathematical societies in Scandinavia. It is the aim of the journal to publish high quality mathematical articles of moderate length. Mathematica Scandinavica publishes about 640 pages per year. For 2020, these will be published as one volume consisting of 3 issues (of 160, 240 and 240 pages, respectively), enabling a slight increase in article pages compared to previous years. The journal aims to publish the first issue by the end of March. Subsequent issues will follow at intervals of approximately 4 months. All back volumes are available in paper and online from 1953. There is free access to online articles more than five years old.