The invariance of domain theorem for condensing vector fields

In-Sook Kim

DOI: http://dx.doi.org/10.12775/TMNA.2005.018

Abstract


Using degree theory for countably condensing maps due
to Väth, we give an invariance of domain theorem
for countably condensing vector fields. The key tool
is Borsuk's theorem for odd countably condensing maps.

Keywords


Invariance of domain; countably condensing maps; vector fields; degree theory

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