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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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Extensions by spaces of continuous functions
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by Jesús M. F. Castillo and Yolanda Moreno PDF
Proc. Amer. Math. Soc. 136 (2008), 2417-2423 Request permission

Abstract:

We present two complementary results on the splitting of exact sequences having the form $0\to C(K) \to E \to X\to 0$. The first one characterizes the Banach spaces $X$ such that $\operatorname {Ext}(X, C(K))=0$ for every compact space $K$. The second is a nonlinear generalization of Zippin’s criterion for the extension of $C(K)$-valued operators.
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Additional Information
  • Jesús M. F. Castillo
  • Affiliation: Departamento de Matemáticas, Universidad de Extremadura, Avenida de Elvas, 06071 Badajoz, Spain
  • MR Author ID: 247518
  • ORCID: 0000-0003-3032-966X
  • Email: castillo@unex.es
  • Yolanda Moreno
  • Affiliation: Departamento de Matemáticas, Universidad de Extremadura, Avenida de Elvas, 06071 Badajoz, Spain
  • Email: ymoreno@unex.es
  • Received by editor(s): May 5, 2004
  • Published electronically: March 4, 2008
  • Additional Notes: This work was supported in part by MTM2004-02635.
  • Communicated by: Jonathan M. Borwein
  • © Copyright 2008 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 136 (2008), 2417-2423
  • MSC (2000): Primary 46M18, 46B20
  • DOI: https://doi.org/10.1090/S0002-9939-08-08820-5
  • MathSciNet review: 2390508