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• Fixed points and selections of set valued maps on spaces with convexity by Saveliev
  ...ompact]] subset of a [[locally convex]] [[Hausdorff]] [[topological vector space]], and let $F:X \rightarrow Y$ be an [[upper semicontinuous]] [[multifuncti ...$X$ be a nonempty convex compact subset of a Hausdorff topological vector space, and let $F:X\rightarrow X$ be a multifunction with nonempty convex images
  3 KB (469 words) - 16:12, 26 March 2011
• Banach fixed point theorem
  Let $(X,d)$ be a [[metric space]]. A function $T:X \to X$ is said to be a ''[[contraction map]]'' if there ...anach Fixed Point Theorem.''' Every contraction map on a [[complete metric space]] has a unique [[fixed point]].
  369 bytes (70 words) - 21:26, 16 February 2011