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Markov–Kakutani fixed-point theorem

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In mathematics, the Markov–Kakutani fixed-point theorem, named after Andrey Markov and Shizuo Kakutani, states that a commuting family of continuous affine self-mappings of a compact convex subset in a locally convex topological vector space has a common fixed point.

References

  • Markov, A. (1936), Quelques théorèmes sur les ensembles abéliens, vol. 10, pp. 311–314 {{citation}}: Text "journal:Dokl. Akad. Nauk. SSSR" ignored (help)
  • Kakutani, S. (1938), "Two fixed point theorems concerning bicompact convex sets", Proc. Imp. Akad. Tokyo, 14: 242–245
  • Reed, M.; Simon, B. (1980), Functional Analysis, Methods of Mathematical Physics, vol. 1 (2nd revised ed.), Academic Press, ISBN 0-12-585050-6