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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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A fixed point theorem for a system of multivalued transformations
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by S. Czerwik PDF
Proc. Amer. Math. Soc. 55 (1976), 136-139 Request permission

Abstract:

We shall prove a fixed point theorem for a system of multivalued mappings which generalizes the result obtained by the author [1, Theorem 1]. For $n = 1$ we obtain a generalization of results of Reich [5, Theorem 5] and Nadler [3, Theorem 5], [4, Theorem 1].
References
    S. Czerwik, Fixed point theorems for system multi-valued mappings, Coll. Math. (to appear).
  • J. Matkowski, Some inequalities and a generalization of Banach’s principle, Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 21 (1973), 323–324 (English, with Russian summary). MR 317116
  • Sam B. Nadler Jr., Multi-valued contraction mappings, Pacific J. Math. 30 (1969), 475–488. MR 254828
  • Sam B. Nadler Jr., Some results on multi-valued contraction mappings, Set-Valued Mappings, Selections and Topological Properties of $2^X$ (Proc. Conf., SUNY, Buffalo, N.Y., 1969) Lecture Notes in Mathematics, Vol. 171, Springer, Berlin, 1970, pp. 64–69. MR 0275391
  • Simeon Reich, Kannan’s fixed point theorem, Boll. Un. Mat. Ital. (4) 4 (1971), 1–11. MR 0305163
Additional Information
  • © Copyright 1976 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 55 (1976), 136-139
  • DOI: https://doi.org/10.1090/S0002-9939-1976-0394619-0
  • MathSciNet review: 0394619