Non-Abelian extensions and homotopies

被引：3

作者：

Baues, HJ ^{[1
]}

机构：

[1] MAX PLANCK INST MATH,D-53225 BONN,GERMANY

来源：

K-THEORY | 1996年 / 10卷 / 02期

关键词：

extensions; pseudoextensions; cohomology of categories; crossed module; quadratic module; algebraic models of homotopies;

D O I：

10.1007/BF00536609

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Let n + k > n greater than or equal to 2. We consider algebraic models of the homotopy category of CW-complexes with cells only in dimension n and n + k. The algebraic model category is described in terms of non-Abelian extensions in Ext(2).

引用

页码：107 / 133

页数：27

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