- journal article metadata
European Mathematical Society Publishing House
2018-02-11 23:30:02
Journal of Combinatorial Algebra
J. Comb. Algebra
JCA
2415-6302
2415-6310
Combinatorics
Group theory and generalizations
10.4171/JCA
http://www.ems-ph.org/doi/10.4171/JCA
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European Mathematical Society Publishing House
Zuerich, Switzerland
© European Mathematical Society
2
2018
1
On joins and intersections of subgroups in free groups
Sergei
Ivanov
University of Illinois, Urbana, USA
Free groups, Stallings graphs, intersections and joins of subgroups
We study graphs of (generalized) joins and intersections of finitely generated subgroups of a free group. We show how to disprove a lemma of Imrich and Müller on these graphs, how to repair the lemma and how to utilize it.
Group theory and generalizations
Manifolds and cell complexes
1
18
10.4171/JCA/2-1-1
http://www.ems-ph.org/doi/10.4171/JCA/2-1-1
2
8
2018