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
收藏
页码：107 / 133
页数：27
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