Mathematical Research Letters

Volume 14, Issue 4, July 2007 pp. 547-558.

Subgroups of direct products of two limit groups

Authors: Martin Bridson (1) and James Howie (2)
Author institution: Imperial College London (1) and Heriot-Watt University (2)

Summary: If $\G_1$ and $\G_2$ are limit groups and $S\subset \G_1\times\G_2$ is of type $\FP_2$ then $S$ has a subgroup of finite index that is a product of at most two limit groups.

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