Gδ-additive families in absolute Souslin spaces and Borel measurable selectors

被引：2

作者：

Spurny, Jiri ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, Dept Math Anal, CZ-18675 Prague 8, Czech Republic

来源：

TOPOLOGY AND ITS APPLICATIONS | 2007年 / 154卷 / 15期

关键词：

sigma-discrete refinement; Borel-additive family; measurable selection;

D O I：

10.1016/j.topol.2007.05.012

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

It is shown that any G(delta)-additive family in an absolute Souslin space has a a-discrete refinement. The existence of a Borel measurable selector for a G(delta)-measurable multivalued mapping is obtained as a corollary. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：2779 / 2785

页数：7

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