The invariance of domain theorem for condensing vector fields
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.
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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