Ji\v r\'\i {} T\accent 23uma

Ji\v r\'\i {} T\accent 23uma
Representing lattices by homotopy groups of graphs

Comment.Math.Univ.Carolinae 40,2 (1999) 215-221.

Abstract:In this paper we represent every lattice by subgroups of free groups using the concept of the homotopy group of a graph.

Keywords: subgroup lattice, lattice embedding, free group, homotopy group
AMS Subject Classification: 06B15, 20E05, 20E15