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Leggett–Williams theorems for coincidences of multivalued operators

2007; Elsevier BV; Volume: 68; Issue: 10 Linguagem: Inglês

10.1016/j.na.2007.02.034

1873-5215

Donal O’Regan, Mirosława Zima,

Advanced Mathematical Modeling in Engineering

We study the existence of positive solutions to the operator equation Lx∈Nx, where L is a linear Fredholm mapping of index zero and N is a nonlinear multivalued operator.