The Lusternik–Schnirelmann category and the fundamental group
Algebraic and Geometric Topology, Tome 10 (2010) no. 2, pp. 917-924
Cet article a éte moissonné depuis la source Mathematical Sciences Publishers

Voir la notice de l'article

We prove that

for every CW–complex X where cd(π1(X)) denotes the cohomological dimension of the fundamental group of X.

DOI : 10.2140/agt.2010.10.917
Keywords: Lusternik–Schnirelmann category, cohomological dimension, fundamental group

Dranishnikov, Alexander N  1

1 Department of Mathematics, University of Florida, PO Box 118105, 358 Little Hall, Gainesville, FL 32611-8105
@article{10_2140_agt_2010_10_917,
     author = {Dranishnikov, Alexander N},
     title = {The {Lusternik{\textendash}Schnirelmann} category and the fundamental group},
     journal = {Algebraic and Geometric Topology},
     pages = {917--924},
     year = {2010},
     volume = {10},
     number = {2},
     doi = {10.2140/agt.2010.10.917},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.917/}
}
TY  - JOUR
AU  - Dranishnikov, Alexander N
TI  - The Lusternik–Schnirelmann category and the fundamental group
JO  - Algebraic and Geometric Topology
PY  - 2010
SP  - 917
EP  - 924
VL  - 10
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.917/
DO  - 10.2140/agt.2010.10.917
ID  - 10_2140_agt_2010_10_917
ER  - 
%0 Journal Article
%A Dranishnikov, Alexander N
%T The Lusternik–Schnirelmann category and the fundamental group
%J Algebraic and Geometric Topology
%D 2010
%P 917-924
%V 10
%N 2
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.917/
%R 10.2140/agt.2010.10.917
%F 10_2140_agt_2010_10_917
Dranishnikov, Alexander N. The Lusternik–Schnirelmann category and the fundamental group. Algebraic and Geometric Topology, Tome 10 (2010) no. 2, pp. 917-924. doi: 10.2140/agt.2010.10.917

[1] G E Bredon, Introduction to compact transformation groups, Academic Press (1972)

[2] K S Brown, Cohomology of groups, Graduate Texts in Math. 87, Springer (1982)

[3] O Cornea, G Lupton, J Oprea, D Tanré, Lusternik–Schnirelmann category, Math. Surveys and Monogr. 103, Amer. Math. Soc. (2003)

[4] A Dold, Partitions of unity in the theory of fibrations, Ann. of Math. $(2)$ 78 (1963) 223

[5] A N Dranishnikov, On the Lusternik–Schnirelmann category of spaces with $2$–dimensional fundamental group, Proc. Amer. Math. Soc. 137 (2009) 1489

[6] A N Dranishnikov, M G Katz, Y B Rudyak, Small values of the Lusternik–Schnirelmann category for manifolds, Geom. Topol. 12 (2008) 1711

[7] S Eilenberg, T Ganea, On the Lusternik–Schnirelmann category of abstract groups, Ann. of Math. $(2)$ 65 (1957) 517

[8] D P Grossman, An estimation of the category of Lusternik–Schnirelmann, C. R. $($Doklady$)$ Acad. Sci. URSS $($N.S.$)$ 54 (1946) 109

[9] W Hurewicz, On the concept of fiber space, Proc. Nat. Acad. Sci. USA 41 (1955) 956

[10] P A Ostrand, Dimension of metric spaces and Hilbert's problem $13$, Bull. Amer. Math. Soc. 71 (1965) 619

[11] E H Spanier, Algebraic topology, McGraw-Hill (1966)

[12] J Stallings, Groups of dimension 1 are locally free, Bull. Amer. Math. Soc. 74 (1968) 361

[13] J Strom, Lusternik–Schnirelmann category of spaces with free fundamental group, Algebr. Geom. Topol. 7 (2007) 1805

[14] A S Švarc, The genus of a fibered space, Trudy Moskov. Mat. Obšč. 10 (1961) 217

[15] R G Swan, Groups of cohomological dimension one, J. Algebra 12 (1969) 585

[16] G W Whitehead, The homology suspension, from: "Colloque de topologie algébrique, Louvain, 1956", Georges Thone, Liège (1957) 89

Cité par Sources :