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A new approximation theory which unifies spherical and Cohen-Macaulay approximations

Ryo Takahashi
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Abstract

This paper gives a new approximation theory for finitely generated modules over commutative Noetherian rings, which unifies two famous approximation theorems; one is due to Auslander and Bridger and the other is due to Auslander and Buchweitz. Modules admitting such approximations shall be studied.

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Ryo Takahashi. 2006-03-13. A new approximation theory which unifies spherical and Cohen-Macaulay approximations. https://arxiv.org/abs/math/0603286

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