On the solvability of (x element Tx + lambda Fx) in quasinormal cones with T and F k-set-contractive. (English) Zbl 0474.47028


47H09 Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc.
47H07 Monotone and positive operators on ordered Banach spaces or other ordered topological vector spaces
46A40 Ordered topological linear spaces, vector lattices
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