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 Date: 2006-03-08 15:29:34Syzygy Finitely-generated module Stably free module Module Local ring Resolution D-module Free ideal ring Projective module Abstract algebra Module theory Algebra |
| CATEGORIES AND HOMOLOGICAL ALGEBRA Exercises for April 26 Exercise 1. Let R be a principal ideal domain. If M is a finitely generated R-module, show that M is a projective R-module ⇐⇒ M is a free R-module ⇐⇒ M isDocID: 1viEZ - View Document |
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