Relative Homological Algebra and Purity
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Apostolos Beligiannis
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Article
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2000
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Elsevier Science
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English
β 626 KB
CONTENTS 1. Introduction. 2. Proper classes of triangles and phantom maps. 3. The Steenrod and Freyd category of a triangulated category. 4. Projecti¨e objects, resolutions, and deri¨ed functors. 5. The phantom tower, the cellular tower, homotopy colimits, and compact objects. 6. Localization and th