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A short and constructive proof of Tarski’s fixed-point theorem

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Abstract

I give short and constructive proofs of Tarski’s fixed-point theorem, and of Zhou’s extension of Tarski’s fixed-point theorem to set-valued maps.

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Correspondence to Federico Echenique.

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I thank Charles Blair, William Thomson, an associated editor and a referee for their helpful suggestions.

I have taught Tarski’s Theorem with F continuous to Caltech undergraduates.

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Echenique, F. A short and constructive proof of Tarski’s fixed-point theorem. Int J Game Theory 33, 215–218 (2005). https://doi.org/10.1007/s001820400192

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  • DOI: https://doi.org/10.1007/s001820400192

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