Relative Homological Algebra

Name: Relative Homological Algebra
Brand: De Gruyter
Price: 149.95 EUR
Availability: OnlineOnly

Edgar E. Enochs Overtoun M. G. Jenda(Autor*in)

De Gruyter (Verlag)

1. Auflage

Erschienen am 20. April 2011

XI, 339 Seiten

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Inhalt

Intro
Preface
1 Basic Concepts
1.1 Zorn's lemma, ordinal and cardinal numbers
1.2 Modules
1.3 Categories and functors
1.4 Complexes of modules and homology
1.5 Direct and inverse limits
1.6 I-adic topology and completions
2 Flat Modules, Chain Conditions and Prime Ideals
2.1 Flat modules
2.2 Localization
2.3 Chain conditions
2.4 Prime ideals and primary decomposition
2.5 Artin-Rees lemma and Zariski rings
3 Injective and Flat Modules
3.1 Injective modules
3.2 Natural identities, flat modules, and injective modules
3.3 Injective modules over commutative noetherian rings
3.4 Matlis duality
4 Torsion Free Covering Modules
4.1 Existence of torsion free precovers
4.2 Existence of torsion free covers
4.3 Examples
4.4 Direct sums and products
5 Covers
5.1 F-precovers and covers
5.2 Existence of precovers and covers
5.3 Projective and flat covers
5.4 Injective covers
5.5 Direct sums and T-nilpotency
6 Envelopes
6.1 F-preenvelopes and envelopes
6.2 Existence of preenvelopes
6.3 Existence of envelopes
6.4 Direct sums of envelopes
6.5 Flat envelopes
6.6 Existence of envelopes for injective structures
6.7 Pure injective envelopes
7 Covers, Envelopes, and Cotorsion Theories
7.1 Definitions and basic results
7.2 Fibrations, cofibrations and Wakamatsu lemmas
7.3 Set theoretic homological algebra
7.4 Cotorsion theories with enough injectives and projectives
8 Relative Homological Algebra and Balance
8.1 Left and right F-resolutions
8.2 Derived functors and balance
8.3 Applications to modules
8.4 F-dimensions
8.5 Minimal pure injective resolutions of flat modules
8.6 ? and µ-dimensions
9 Iwanaga-Gorenstein and Cohen-Macaulay Rings and Their Modules
9.1 Iwanaga-Gorenstein rings
9.2 The minimal injective resolution of R
9.3 More on flat and injective modules
9.4 Torsion products of injective modules
9.5 Local cohomology and the dualizing module
10 Gorenstein Modules
10.1 Gorenstein injective modules
10.2 Gorenstein projective modules
10.3 Gorenstein flat modules
10.4 Foxby classes
11 Gorenstein Covers and Envelopes
11.1 Gorenstein injective precovers and covers
11.2 Gorenstein injective preenvelopes
11.3 Gorenstein injective envelopes
11.4 Gorenstein essential extensions
11.5 Gorenstein projective precovers and covers
11.6 Auslander's last theorem (Gorenstein projective covers)
11.7 Gorenstein flat covers
11.8 Gorenstein flat and projective preenvelopes
12 Balance over Gorenstein and Cohen-Macaulay Rings
12.1 Balance of Hom(-,-)
12.2 Balance of - ? -
12.3 Dimensions over n-Gorenstein rings
12.4 Dimensions over Cohen-Macaulay rings
12.5 O-Gorenstein modules
Bibliographical Notes
Bibliography
Index

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