On cat (X\p)
The Lusternik-Schnirelmann category of a PL-manifold does not increase if we delete a point of it. This is false in the CW-complex category.
Main Author: | |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
1992-01-01
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Series: | International Journal of Mathematics and Mathematical Sciences |
Subjects: | |
Online Access: | http://dx.doi.org/10.1155/S0161171292000620 |