We define an algebraic approximation of the Lusternik-Schnirelmann category of a map and show that
this invariant lies between A-category and M-category. We derive from this result a characterization of the
Lusternik-Schnirelmann category of a rational space.
@article{1168957346,
author = {Kahl, Thomas},
title = {Note on L.-S. category and DGA modules},
journal = {Bull. Belg. Math. Soc. Simon Stevin},
volume = {12},
number = {5},
year = {2006},
pages = { 703-717},
language = {en},
url = {http://dml.mathdoc.fr/item/1168957346}
}
Kahl, Thomas. Note on L.-S. category and DGA modules. Bull. Belg. Math. Soc. Simon Stevin, Tome 12 (2006) no. 5, pp. 703-717. http://gdmltest.u-ga.fr/item/1168957346/