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A formal proof of the projective Eisenbud–Evans–Storch theorem

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Abstract

We extend a constructive proof of the Eisenbud–Evans–Storch theorem, developed in a previous work by Coquand, Schuster, and Lombardi, from the affine to the projective case. The main tool is that of distributive lattices, which allows us to replace the classical topological arguments by more algebraic and constructive ones. Given a suitable graded ring, we work in the distributive lattice in which the prime filters correspond to the homogeneous prime ideals. The proof presented here is one of the first examples of concrete results obtained using this tool.

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  1. Mathematisches Institut, Universität München, Theresienstraße 39, 80333, Munich, Germany

    Davide Rinaldi

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  1. Davide Rinaldi
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Correspondence to Davide Rinaldi.

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Rinaldi, D. A formal proof of the projective Eisenbud–Evans–Storch theorem. Arch. Math. 99, 9–24 (2012). https://doi.org/10.1007/s00013-012-0405-z

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