On cat (X\p)

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.

Bibliographic Details
Main Author: Juan Julian Rivadeneyra Perez
Format: Article
Language:English
Published: Hindawi Limited 1992-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Lusternik-Schnirelmann category
categorical set
covering
CW-complex
PL-manifold
cell
n-equivalence
universal covering.
Online Access:http://dx.doi.org/10.1155/S0161171292000620
Description
Summary: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.
ISSN:0161-1712
1687-0425

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