Let X a reflexive and separable Banach space, U a nonempty , open, convex and bounded subset of X containing the origin and f a mapping from U to X in the weak topology of X.We consider some boundary contitions involving f and its norm and relative some fixed points theorems.
Fixed Points on the closure of open, convex and bounded sets
DELBOSCO, Domenico;VIOLA, Gabriella
2009-01-01
Abstract
Let X a reflexive and separable Banach space, U a nonempty , open, convex and bounded subset of X containing the origin and f a mapping from U to X in the weak topology of X.We consider some boundary contitions involving f and its norm and relative some fixed points theorems.
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