JournalsjcaVol. 2, No. 1pp. 1–18

On joins and intersections of subgroups in free groups

  • Sergei V. Ivanov

    University of Illinois, Urbana, USA
On joins and intersections of subgroups in free groups cover
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Abstract

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.

Cite this article

Sergei V. Ivanov, On joins and intersections of subgroups in free groups. J. Comb. Algebra 2 (2018), no. 1, pp. 1–18

DOI 10.4171/JCA/2-1-1