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On The Fixed-Point Property of Unital Uniformly Closed Subalgebras of

Abstract

Let be a compact Hausdorff topological space and let and denote the complex and real Banach algebras of all continuous complex-valued and continuous real-valued functions on under the uniform norm on , respectively. Recently, Fupinwong and Dhompongsa (2010) obtained a general condition for infinite dimensional unital commutative real and complex Banach algebras to fail the fixed-point property and showed that and are examples of such algebras. At the same time Dhompongsa et al. (2010) showed that a complex -algebra has the fixed-point property if and only if is finite dimensional. In this paper we show that some complex and real unital uniformly closed subalgebras of do not have the fixed-point property by using the results given by them and by applying the concept of peak points for those subalgebras.

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Correspondence to Davood Alimohammadi.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Alimohammadi, D., Moradi, S. On The Fixed-Point Property of Unital Uniformly Closed Subalgebras of . Fixed Point Theory Appl 2010, 268450 (2010). https://doi.org/10.1155/2010/268450

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  • DOI: https://doi.org/10.1155/2010/268450

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