Results 1 to 10 of about 176,865 (291)

An Elementary Abelian Group of Rank 4 Is a CI-Group

open access: bronzeJournal of Combinatorial Theory, Series A, 2001
Finite groups are dealt with. In addition to the known notion of CI-group (i.e., group possessing the Cayley isomorphism property), the authors consider the related concept of \(\text{CI}^{(2)}\)-group. Let \(F\), \(G\) be subgroups of the symmetric (permutation) group \(\text{Sym}(X)\). We say that \(G(\supseteq F)\) is \(F\)-transjugate if \(G\) acts
Mitsugu Hirasaka, Mikhail Muzychuk
semanticscholar   +4 more sources

An elementary abelian group of large rank is not a CI-group

open access: bronzeDiscrete Mathematics, 2003
We say that a finite group \(H\) has the Cayley isomorphy (CI) property (or, shortly, \(H\) is a CI-group) if any pair of directed Cayley graphs over \(H\) is non-isomorphic unless an isomorphism exists between the digraphs which can be induced by an automorphism of \(H\).
Mikhail Muzychuk
semanticscholar   +5 more sources

An addition theorem for the elementary abelian group

open access: bronzeJournal of Combinatorial Theory, 1968
Summary: Let \(S(a_1,\ldots, a_s)\) be the set of all sums over subsequences of a sequence \(\{a_1,\ldots, a_s\}\), \(a_1\neq 0\), from an abelian group \(G\). The author proves: If \(G\) is an abelian group of order \(p^n\) \((n\geq 2)\) then: (i) If \(s\geq 2^{n-1}(p-1)\) then \(S(a_1,\ldots, a_s)\) includes a coset of a subgroup of order \(p\). (ii)
John E. Olson
semanticscholar   +5 more sources

On Group Codes Over Elementary Abelian Groups [PDF]

open access: yesSultan Qaboos University Journal for Science, 2003
For group codes over elementary Abelian groups we present definitions of the generator and the parity check matrices, which are matrices over the ring of endomorphism of the group.
Adnan A. Zain
doaj   +3 more sources

Elementary Abelian 2-subgroups in an Autotopism Group of a Semifield Projective Plane

open access: diamondИзвестия Иркутского государственного университета: Серия "Математика", 2020
Elementary Abelian 2-subgroups in an Autotopism Group of a Semifield Projective Plane} We investigate the hypotheses on a solvability of the full collineation group for non-Desarguesian semifield projective plane of a finite order (the question 11.76 in ...
O. V. Kravtsova
doaj   +2 more sources

Varieties for Modules of Quantum Elementary Abelian Groups [PDF]

open access: greenAlgebras and Representation Theory, 2008
We define a rank variety for a module of a noncocommutative Hopf algebra $A = \rtimes G$ where $ = k[X_1, ..., X_m]/(X_1^{\ell}, ..., X_m^{\ell})$, $G = ({\mathbb Z}/\ell{\mathbb Z})^m$, and $\text{char} k$ does not divide $\ell$, in terms of certain subalgebras of $A$ playing the role of "cyclic shifted subgroups".
Julia Pevtsova, Sarah Witherspoon
openalex   +4 more sources

On the Isomorphism Problem for Cayley Graphs of Abelian Groups whose Sylow Subgroups are Elementary Abelian or Cyclic

open access: diamondElectronic Journal of Combinatorics, 2018
We show that if certain arithmetic conditions hold, then the Cayley isomorphism problem for abelian groups, all of whose Sylow subgroups are elementary abelian or cyclic, reduces to the Cayley isomorphism problem for its Sylow subgroups.
Ted Dobson
openalex   +2 more sources

On Elementary Abelian Cartesian Groups [PDF]

open access: bronzeCanadian Mathematical Bulletin, 1991
AbstractJ. Hayden [2] proved that, if a finite abelian group is a Cartesian group satisfying a certain "homogeneity condition", then it must be an elementary abelian group. His proof required the character theory of finite abelian groups. In this note we present a shorter, elementary proof of his result.
Anthony B. Evans
openalex   +3 more sources

Separating invariants for certain representations of the elementary Abelian p-groups of rank two

open access: goldAIMS Mathematics
For a finite group acting linearly on a vector space, a separating set is a subset of the invariant ring that separates the orbits. In this paper, we determined explicit separating sets in the corresponding rings of invariants for four families of finite
Panpan Jia , Jizhu Nan, Yongsheng Ma
doaj   +2 more sources

Varieties and elementary Abelian groups

open access: bronzeJournal of Pure and Applied Algebra, 1982
J. L. Alperin, Leonard Evens
openalex   +3 more sources

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