Mappings and isometries of compact metric spaces

被引:0
作者
Iliadis, Stavros [1 ]
机构
[1] Moscow State Pedag Univ, Moscow State Univ MV Lomonosov, Moscow, Russia
关键词
Isometry; Isometry containing mapping; Separable complete metric space; Compact metric space; Transfinite small inductive; dimension;
D O I
10.1016/j.topol.2017.02.049
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In the paper it is proved that there exists a continuous surjective mapping F : X -> Y, where X and Y are separable complete metric spaces of transfinite dimension ind less than or equal to alpha(d) is an element of omega(+) boolean OR {infinity} and alpha(r) is an element of omega(+) boolean OR {infinity}, respectively, such that, for each continuous surjective mapping f : X-4 Y, where X and Y are compact metric spaces of transfinite dimension ind less than or equal to alpha(d) and alpha(r), respectively, there are isometries i : X -> X and j : Y -> Y satisfying the relation F circle i = j circle f. This result remains true if we suppose that, for each mapping f : X -> Y, Y coincides with a fixed separable complete metric space Y and that the corresponding mapping j : Y -> Y is the identity. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码:28 / 37
页数:10
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