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A non-reflexive Banach space with all contractions mean ergodic

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Abstract

We construct on any quasi-reflexive of order 1 separable real Banach space an equivalent norm, such that all contractions on the space and all contractions on its dual are mean ergodic, thus answering negatively a question of Louis Sucheston.

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References

  1. C. Bessaga and A. Pełczyński, On extreme points in separable conjugate spaces, Israel Journal of Mathematics 4 (1966), 262–264.

    Article  MATH  MathSciNet  Google Scholar 

  2. F. Browder, On the iteration of transformations in noncompact minimal dynamical systems, Proceedings of the American Mathematical Society 9 (1958), 773–780.

    MATH  MathSciNet  Google Scholar 

  3. N. Dunford and J. Schwartz, Linear Operators, Part I, Interscience, New York, 1958.

    Google Scholar 

  4. H. Fetter and B. Gamboa de Buen, The James Forest, London Mathematical Society Lecture Note Series 236, Cambridge University Press, Cambridge, 1997.

    Book  MATH  Google Scholar 

  5. V. Fonf, M. Lin and P. Wojtaszczyk, Ergodic characterizations of reflexivity of Banach spaces, Journal of Functional Analysis 187 (2001), 146–162.

    Article  MATH  MathSciNet  Google Scholar 

  6. R. Haydon, An extreme point criterion for separability of a dual Banach space, and a new proof of a theorem of Corson, The Quarterly Journal of Mathematics 27 (1976), 377–385.

    Article  MathSciNet  Google Scholar 

  7. R. C. James, Bases and reflexivity of Banach spaces, Annals of Mathematics 52 (1950), 518–527.

    Article  MathSciNet  Google Scholar 

  8. M. I. Kadec (Kadets) and V. P. Fonf, Some properties of the set of extreme points of the unit ball of a Banach space, Rossiĭskaya Akademiya Nauk 20 (1976), 315–320 (in Russian; English translation: Math. Notes 20 (1976), 737–739).

    MATH  MathSciNet  Google Scholar 

  9. U. Krengel, Ergodic theorems, De Gruyter, Berlin, 1985.

    MATH  Google Scholar 

  10. M. Lin, On quasi-compact Markov operators, Annals of Probability 2 (1974), 464–475.

    Article  MATH  Google Scholar 

  11. M. Lin and R. Sine, Ergodic theory and the functional equation (I − T)x = y, Journal of Operator Theory 10 (1983), 153–166.

    MATH  MathSciNet  Google Scholar 

  12. D. P. Milman, Characteristics of extremal points of regularly convex sets, Doklady Akademii Nauk SSSR 57 (1947), 119–122 (in Russian); MR 9, 192 (1948).

    MATH  MathSciNet  Google Scholar 

  13. B. Mityagin and I. Edelstein, The homotopy type of linear groups of two classes of Banach spaces, Funktsional’nyĭ Analiz i ego Prilozheniya 4 (1970), 61–72. (in Russian; English translation Functional Analysis and its Applications 4 (1970), 221–231).

    MathSciNet  Google Scholar 

  14. D. Mugnolo, A semigroup analogue of the Fonf-Lin-Wojtaszczyk ergodic characterization of reflexive Banach spaces with a basis, Studia Mathematica 164 (2004), 243–251.

    Article  MATH  MathSciNet  Google Scholar 

  15. E. Odell and H. P. Rosenthal, A double-dual characterization of separable Banach spaces containing l 1, Israel Journal of Mathematics 20 (1975), 375–384.

    Article  MATH  MathSciNet  Google Scholar 

  16. R. R. Phelps, Lectures on Choquet’s theorem, 2nd edn., Lecture Notes in Mathematics, Vol. 1757, Springer, Berlin, 2001.

    Book  MATH  Google Scholar 

  17. R. Sine, A mean ergodic theorem, Proceedings of the American Mathematical Society 24 (1970), 438–439.

    MATH  MathSciNet  Google Scholar 

  18. L. Sucheston, Problems, in Probability in Banach Spaces, Springer Lecture Notes in Mathematics, Vol. 526, Springer, Berlin, 1976, pp. 285–290.

    Chapter  Google Scholar 

  19. J. P. Williams, A “metric” characterization of reflexivity, Proceedings of the American Mathematical Society 18 (1967), 163–165.

    MATH  MathSciNet  Google Scholar 

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Correspondence to Vladimir P. Fonf.

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Dedicated to the memory of Aryeh Dvoretzky

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Fonf, V.P., Lin, M. & Wojtaszczyk, P. A non-reflexive Banach space with all contractions mean ergodic. Isr. J. Math. 179, 479–491 (2010). https://doi.org/10.1007/s11856-010-0090-1

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  • DOI: https://doi.org/10.1007/s11856-010-0090-1

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