2022
DOI: 10.48550/arxiv.2202.11093
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The Surface Group Conjectures for groups with two generators

Abstract: The Surface Group Conjectures are statements about recognising surface groups among one-relator groups, using either the structure of their finite-index subgroups, or all subgroups. We resolve these conjectures in the two generator case. More generally, we prove that every two-generator one-relator group with every infinite-index subgroup free is itself either free or a surface group.

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“…Let G be a residually finite Mel'nikov group. Then G is a surface group or BS(1, n) for some non-zero integer n. Gardam et al proved that the conjecture holds, and more details concerning the surface group conjecture can be found in their paper [GKL22].…”
Section: Introductionmentioning
confidence: 99%
“…Let G be a residually finite Mel'nikov group. Then G is a surface group or BS(1, n) for some non-zero integer n. Gardam et al proved that the conjecture holds, and more details concerning the surface group conjecture can be found in their paper [GKL22].…”
Section: Introductionmentioning
confidence: 99%