The property of quasi-simple filtration (or qsf) for groups has been introduced in literature more than 10 years ago by S. Brick. This is equivalent, for groups, to the weak geometric simple connectivity (or wgsc). The main interest of these notions is that there is still not known whether all finitely presented groups are wgsc (qsf) or not. The present note deals with the wgsc property for solvable groups and generalized FC-groups. Moreover, a relation between the almost-convexity condition and the Tucker property, which is related to the wgsc property, has been considered for 3-manifold groups.
机构:
Dipartimento di Matematica e Applicazioni 'R. Caccioppoli', Napoli, 80126, via Cintia, Monte S. AngeloDipartimento di Matematica e Applicazioni 'R. Caccioppoli', Napoli, 80126, via Cintia, Monte S. Angelo
Longobardi P.
Maj M.
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机构:
Dipartimento di Matematica e Informatica, Baronissi (Salerno), 84081, via Salvator AllendeDipartimento di Matematica e Applicazioni 'R. Caccioppoli', Napoli, 80126, via Cintia, Monte S. Angelo
Maj M.
Rendiconti del Seminario Matematico e Fisico di Milano,
1998,
68
(1):
: 203
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216
机构:
Univ Tasmania, Discipline Math, Private Bag 37, Hobart, Tas 7001, AustraliaUniv Tasmania, Discipline Math, Private Bag 37, Hobart, Tas 7001, Australia
Gardner, B. J.
Parmenter, M. M.
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机构:
Mem Univ Newfoundland, Dept Math & Stat, St John, NF A1C 5S7, CanadaUniv Tasmania, Discipline Math, Private Bag 37, Hobart, Tas 7001, Australia