The Lusternik-Schnirelmann category and the fundamental group
The Lusternik-Schnirelmann category and the fundamental group
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Lusternik-Schnirelmann 范畴和基本群
DOI:
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发表时间:
2009
期刊:
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通讯作者:
A. Dranishnikov
中科院分区:
文献类型:
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作者:
A. Dranishnikov
We prove that $$ cat Xle cd(pi_1(X))+igglceilfrac{dim X-1}{2}igg
ceil$$ for every CW complex $X$ where $cd(pi_1(X))$ denotes the cohomological dimension of the fundamental group of $X$.