Invariance of domain theorems for condensing multivalued vector fields
Bull. Korean Math. Soc. 2010 Vol. 47, No. 1, 121-129
Printed January 1, 2010
In-Sook Kim
Sungkyunkwan University
Abstract : Using a degree theory for countably condensing multivalued maps, we show that under certain conditions an invariance of domain theorem holds for countably condensing or countably $k$-contractive multivalued vector fields.
Keywords : invariance of domain, countably condensing, multivalued vector fields, degree theory
MSC numbers : 47H09, 54C60, 47H11
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