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Ideal-adic completion of quasi-excellent rings (after Gabber)
Published 29 Sep 2016 in math.AC and math.AG | (1609.09246v2)
Abstract: In this paper, we give a detailed proof to a result of Gabber (unpublished) on the lifting problem of quasi-excellent rings, extending the previous work on Nishimura-Nishimura. As a corollary, we establish that an ideal-adic completion of an excellent (resp. quasi-excellent) ring is excellent (resp. quasi-excellent).
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