Compression–Expansion Fixed Point Theorems for Decomposable Maps and Applications to Discontinuous $$\phi $$-Laplacian problems
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DOI: 10.1007/s12346-021-00505-6
Abstract: In this paper, we prove new compression–expansion type fixed point theorems in cones for the so-called decomposable maps, that is, compositions of two upper semicontinuous multivalued maps. As an application, we obtain existence and localization… read more here.
Keywords: fixed point; decomposable maps; point theorems; point ... See more keywords