The Subgroups of Direct Products of Surface Groups
- Cite this article as:
- Bridson, M.R., Howie, J., Miller, C.F. et al. Geometriae Dedicata (2002) 92: 95. doi:10.1023/A:1019611419598
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A subgroup of a product of n surface groups is of type FPn if and only if it contains a subgroup of finite index that is itself a product of (at most n) surface groups.