Malnormality is undecidable in hyperbolic groups

Citation
Mr. Bridson et Dt. Wise, Malnormality is undecidable in hyperbolic groups, ISR J MATH, 124, 2001, pp. 313-316
Citations number
12
Categorie Soggetti
Mathematics
Journal title
ISRAEL JOURNAL OF MATHEMATICS
ISSN journal
00212172 → ACNP
Volume
124
Year of publication
2001
Pages
313 - 316
Database
ISI
SICI code
0021-2172(2001)124:<313:MIUIHG>2.0.ZU;2-V
Abstract
In answer to a question of Myasnikov, we show that there exist hyperbolic g roups for which there is no algorithm to decide which finitely generated su bgroups are malnormal or quasiconvex.