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Fan’s Existence Theorem for Inequalities Concerning Convex Functions and Its Applications

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Minimax Theory and Applications

Part of the book series: Nonconvex Optimization and Its Applications ((NOIA,volume 26))

Abstract

In [5], Fan proved the following useful existence theorem for inequalities concerning convex functions in topological vector spaces, by using his minimax theorem [3].

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References

  1. F. E. Browder, The fixed point theory of multi-valued mappings in topological vector spaces, Math. Ann., 177 (1968), 283–301.

    Article  MATH  MathSciNet  Google Scholar 

  2. N. Dunford and J. T. Schwartz, Linear Operators I, Interscience, New York, 1958.

    MATH  Google Scholar 

  3. K. Fan, Minimax theorems, Proc. Nat. Acad. Sci. U.S.A. 39 (1953), 42–47.

    Article  MATH  MathSciNet  Google Scholar 

  4. K. Fan, On systems of linear inequalities, in Linear Inequalities and Related Systems (H. W. Kuhn and A. W. Tucker Eds.), Annals of Mathematics Studies, Vol. 38, Princeton Univ. Press, Princeton, NJ, 1956, 99–156.

    Google Scholar 

  5. K. Fan, Existence theorems and extreme solutions for inequalities concerning convex functions or linear transformations, Math. Z. 68 (1957), 205–217.

    Article  MATH  MathSciNet  Google Scholar 

  6. N. Hirano, H. Komiya and W. Takahashi, A generalization of the tahn-Banacn theorem, J. Math. Anal. Appl. 88 (1982), 333–340.

    Article  MATH  MathSciNet  Google Scholar 

  7. H. König, On certain applications of the Hahn-Banach and minimax theorems, Arch. Math. 21 (1970), 583–591.

    Article  Google Scholar 

  8. A. T. Lau, Amenability and fixed point property for semigroup of non-expansive mappings, in Fixed Point Theory and Applications (M. A. Théra and J. B. Baillon Eds.), Pitman Research Notes in Mathematics Series #252, 1991, 303–313.

    Google Scholar 

  9. A. T. Lau and W. Takahashi, Invariant means and fixed point properties for nonexpansive representations of topological semigroups, Topol. Methods Nonlinear Anal. 5 (1995), 39–57.

    MATH  MathSciNet  Google Scholar 

  10. A. T. Lau and W. Takahashi, Invariant submeans and semigroups of nonexpansive mappings on Banach spaces with normal structure, J. Functional Analysis 142 (1996), 79–88.

    Article  MATH  MathSciNet  Google Scholar 

  11. T. C. Lim, A fixed point theorem for families of nonexpansive mappings, Pacific J. Math. 53 (1974), 484–493.

    Article  Google Scholar 

  12. T. C. Lim, Characterization of normal structure, Proc. Amer. Math. Soc. 43 (1974), 313–319.

    Article  MATH  MathSciNet  Google Scholar 

  13. S. Mazur and W. Orlicz, Sur les espaces métriques linéares (II), Studia Math. 13 (1953), 137–179.

    MATH  MathSciNet  Google Scholar 

  14. N. Mizoguchi and W. Takahashi, On the existence of fxed points and ergodic retractions for Lipschitzian semigroups in Hilbert spaces, Nonlinear Analysis 14 (1990), 69–80.

    Article  MATH  MathSciNet  Google Scholar 

  15. K. Sakamaki and W. Takahashi, Systems of convex inequalities and their applications, J. Math. Anal. Appl. 70 (1979), 445–459.

    Article  MATH  MathSciNet  Google Scholar 

  16. N. Shioji and W. Takahashi, Fan’s theorem concerning systems of convex inequalities and its applications, J. Math. Anal. Appl. 135 (1988), 383–398.

    Article  MATH  MathSciNet  Google Scholar 

  17. S. Simons, Minimax and variational inequalities. Are they of fixed point or HahnBanach type? Game Theory and Mathematical Economics, North Holland Publishing Company, 1981, 379–387.

    Google Scholar 

  18. W. Takahashi, Fixed point theorem for amenable semigroups of non-expansive mappings. pings Kodai Math. Sem. Rep. 21 (1969), 383–386.

    Article  MATH  MathSciNet  Google Scholar 

  19. W. Takahashi, Nonlinear variational inequalities and fixed point theorems, J. Math. Soc. Japan 28 (1976), 168–181.

    Article  MATH  MathSciNet  Google Scholar 

  20. W. Takahashi, A nonlinear ergodic theorem for an amenable semigroup of nonexpansive mappings in a Hilbert space, Proc. Amer. Math. Soc. 81 (1981), 253–256.

    Article  MATH  MathSciNet  Google Scholar 

  21. W. Takahashi, Fixed point theorems for families of nonexpansive mappings on unbounded sets, J. Math. Soc. Japan 36 (1984), 543–553.

    Article  MATH  MathSciNet  Google Scholar 

  22. W. Takahashi, Fixed point, minimax and Hahn-Banach theorems, Proceedings ot Symposia in Pure Mathematics, Amer. Math. Soc. 45 (1986), 417–427.

    Google Scholar 

  23. W. Takahashi, A nonlinear ergodic theorem for a reversible semigroup of nonexpansive mappings in a Hilbert space, Proc. Amer. Math. Soc. 96 (1986), 55–58.

    Article  Google Scholar 

  24. W. Takahashi, Nonlinear Functional Analysis (Japanese), Kindai-kagakusha, Japan, 1988.

    Google Scholar 

  25. W. Takahashi, Fixed point theorem and nonlinear ergodic theorem for nonexpansive semigroups without convexity, Can. J. Math. 44 (1992). 880–887.

    Article  MATH  Google Scholar 

  26. W. Takahashi and D. H. Jeong, Fixed Point theorern for nonexpansive semigroups on Banach space, Proc. Amer. Math. Soc. 122 (1994), 1175–1179.

    MATH  MathSciNet  Google Scholar 

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© 1998 Springer Science+Business Media Dordrecht

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Takahashi, W. (1998). Fan’s Existence Theorem for Inequalities Concerning Convex Functions and Its Applications. In: Ricceri, B., Simons, S. (eds) Minimax Theory and Applications. Nonconvex Optimization and Its Applications, vol 26. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9113-3_17

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  • DOI: https://doi.org/10.1007/978-94-015-9113-3_17

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5030-4

  • Online ISBN: 978-94-015-9113-3

  • eBook Packages: Springer Book Archive

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