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INVARIANCE OF DOMAIN THEOREMS FOR CONDENSING MULTIVALUED VECTOR FIELDS

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초록

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.

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.

참고문헌 (14)

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  12. M. Väth, "Fixed point theorems and fixed point index for countably condensing maps", Topol. Methods Nonlinear Anal., 13(2), pp.341~363 (1999)
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