Finitely presented subgroups of a product of two free groups

Authors
Short, H
Citation
H. Short, Finitely presented subgroups of a product of two free groups, Q J MATH, 52, 2001, pp. 127-131
Citations number
5
Categorie Soggetti
Mathematics
Journal title
QUARTERLY JOURNAL OF MATHEMATICS
ISSN journal
00335606 → ACNP
Volume
52
Year of publication
2001
Part
1
Pages
127 - 131
Database
ISI
SICI code
0033-5606(200103)52:<127:FPSOAP>2.0.ZU;2-Z
Abstract
We use van Kampen diagram techniques to give a new geometric proof of the B aumslag and Roseblade result that a non-free finitely presented subgroup of a direct product of two free groups is virtually a product of subgroups of the factors.