Results 11 to 20 of about 14,221,639 (69)

Small-cancellation groups with and without sigma-compact Morse boundary [PDF]

Groups, Geometry, and Dynamics, 2023
We provide examples of classical C'(1/6) -small-cancellation groups which have non- \sigma -compact Morse boundary. These are first known examples of groups with non- \sigma -compact Morse boundary.
S. Zbinden
semanticscholar   +1 more source

The metanorm and its influence on the group structure

Journal of Algebra, 2018
The norm of a group was introduced by R. Baer as the intersection of all normalizers of subgroups, and it was later proved that the norm is always contained in the second term of the upper central series of the group.
M. De Falco, F. de Giovanni, L. A. Kurdachenko, C. Musella   +3 more
semanticscholar   +1 more source

The metanorm, a characteristic subgroup: Embedding properties

Journal of group theroy, 2018
The norm of a group was introduced by R. Baer as the intersection of all normalizers of subgroups, and it was later proved that the norm is always contained in the second term of the upper central series of the group.
M. De Falco, F. de Giovanni, L. A. Kurdachenko, C. Musella   +3 more
semanticscholar   +1 more source

Twisted group C*-algebras of acylindrically hyperbolic groups have stable rank one [PDF]

Groups, Geometry, and Dynamics
We prove that the twisted group C*-algebra of an acylindrically hyperbolic group – not necessarily having trivial finite radical – has stable rank one.
Sven Raum
semanticscholar   +1 more source

Lobbying transparency and attitudes towards interest groups: a survey experiment

Interest Groups & Advocacy
Despite the growing interest for lobbying in public opinion research, little is known about citizen’s attitudes towards interest groups, especially after legislation making lobbying transparent is passed.
Michele Crepaz
semanticscholar   +1 more source

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On a class of metahamiltonian groups

Ricerche di Matematica, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
DE FALCO, MARIA, DE GIOVANNI, FRANCESCO, MUSELLA, CARMELA   +2 more
semanticscholar   +5 more sources

Structure of solvable nonnilpotent metahamiltonian groups

Mathematical Notes of the Academy of Sciences of the USSR, 1983
A group is called metahamiltonian if any nonabelian subgroup of it is invariant. A complete description of the structure of solvable nonnilpotent metahamiltonian groups is given. This improves results of \textit{V. T. Nagrebetskij} [Mat. Zap. 6, No.1, 80-88 (1967; Zbl 0315.20022)].
Kuzennyj, N. F., Semko, N. N.
openaire   +2 more sources

Groups Whose Finite Homomorphic Images are Metahamiltonian

Communications in Algebra, 2009
A group G is metahamiltonian if all its non-abelian subgroups are normal. It is proved here that a finitely generated soluble group is metahamiltonian if and only if all its finite homomorphic images are metahamiltonian; the behaviour of soluble minimax groups with metahamiltonian finite homomorphic images is also investigated.
DE FALCO, MARIA, DE GIOVANNI, FRANCESCO, MUSELLA, CARMELA   +2 more
openaire   +3 more sources

Structure of periodic nonabelian metahamiltonian groups with an elementary commutator subgroup of rank three

Ukrainian Mathematical Journal, 1989
A group is said to be metahamiltonian if every nonabelian subgroup in it is invariant. The main theorem provides a complete description of periodic metabelian metahamiltonian groups with an elementary commutator subgroup of rank three.
Kuzennyj, N. F., Semko, N. N.
openaire   +3 more sources

Structure of periodic metabelian metahamiltonian groups with a nonelementary commutator subgroup

Ukrainian Mathematical Journal, 1987
Metahamiltonian groups, i.e., groups in which each nonabelian subgroup is invariant, are a natural generalization of Hamiltonian groups. The present article describes the structure of periodic metabelian metahamiltonian groups with a nonelementary commutator subgroup. It turns out that there exist four types of such groups.
Kuzennyj, N. F., Semko, N. N.
openaire   +3 more sources