HOMOTOPY RESULTS FOR WEAKLY SEQUENTIALLY UPPER SEMICONTINUOUS MAPS

Ravi P. Agarwal, Donal O'Regan

Abstract


In this paper we use the notion of an essential map to present a homotopy and a Leray-Schauder alternative for weakly sequentially upper semicontinuous maps.

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ISSN: 1229-1595 (Print), 2466-0973 (Online)

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