Title of article
On extensions of the domain invariance theorem
Author/Authors
Kulpa، نويسنده , , W?adys?aw، نويسنده ,
Issue Information
دوماهنامه با شماره پیاپی سال 2003
Pages
6
From page
253
To page
258
Abstract
If f maps continuously a compact subset X of Rn into Rn and x is a point whose distance from the boundary ∂X is greater than double diameter of the fibres of the points in f(∂X) then f(x) is in the interior of f(X). This theorem extends some results due to Borsuk and Sitnikov.
Keywords
Domain invariance theorem , Brouwer–Borsuk–Sitnikovיs type theorems
Journal title
Topology and its Applications
Serial Year
2003
Journal title
Topology and its Applications
Record number
1580334
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