Homotopical Algebra by Daniel G. Quillen
Language: English | 1967 | ISBN: 3540039147 | 160 pages | DJVU | 1 MB

Language: English | 1967 | ISBN: 3540039147 | 160 pages | DJVU | 1 MB
Chapter I is an attempt to define what is meant by a "homotopy theory" in a way sufficiently general for various applications.

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