Graphs, free groups and the Hanna Neumann conjecture

Brent Everitt

doi:10.1515/JGT.2008.057

Graphs, free groups and the Hanna Neumann conjecture

Brent Everitt

Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

A new bound for the rank of the intersection of finitely generated subgroups of a free group is given, formulated in topological terms, and in the spirit of Stallings [19]. The bound is a contribution to the strengthened Hanna Neumann conjecture.

Original language	English
Pages (from-to)	885-899
Number of pages	15
Journal	Journal of Group Theory
Volume	11
Issue number	6
DOIs	https://doi.org/10.1515/JGT.2008.057
Publication status	Published - Nov 2008

Keywords

FINITELY GENERATED SUBGROUPS

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10.1515/JGT.2008.057

http://arxiv.org/abs/math/0701214

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Graphs, free groups and the Hanna Neumann conjecture

Abstract

Keywords

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