MIXING CATEGORIES

被引：10

作者：

Oprea, John ^{[1
]}

Strom, Jeff ^{[2
]}

机构：

[1] Cleveland State Univ, Dept Math, Cleveland, OH 44115 USA

[2] Western Michigan Univ, Dept Math, Kalamazoo, MI 49008 USA

来源：

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY | 2011年 / 139卷 / 09期

基金：

美国国家科学基金会;

关键词：

Lusternik-Schnirelmann category; LUSTERNIK-SCHNIRELMANN CATEGORY; FUNDAMENTAL GROUP; SPACES; THEOREM;

D O I：

10.1090/S0002-9939-2011-10958-4

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We show that cat(X) <= cat(1)(X) + cat(1)(X), where cat(1)(X) is Fox's 1-dimensional category and cat(1)(X) is the A-category of Clapp and Puppe with A = {1-dimensional spaces}.

引用

页码：3383 / 3392

页数：10

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