Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Mohammad Reza Darafsheh"'
Publikováno v:
International Journal of Group Theory, Vol 11, Iss 1, Pp 7-16 (2022)
Let $G$ be a group and $\omega(G)=\{o(g)|g\in G\}$ be the set of element orders of $G$. Let $k\in\omega(G)$ and $s_{k}=|\{g\in G|o(g)=k\}|$. Let $nse(G)=\{s_{k}|k\in\omega(G)\}.$ In this paper, we prove that if $G$ is a group and $G_{2}(5)$ is the Ch
Externí odkaz:
https://doaj.org/article/e46c0752bf664ebe8d90c4ce994055a1
Publikováno v:
Arabian Journal of Mathematics, Vol 7, Iss 1, Pp 21-26 (2017)
Externí odkaz:
https://doaj.org/article/872a8cd86183429ebf374a130d58855e
Publikováno v:
International Journal of Group Theory, Vol 5, Iss 1, Pp 11-16 (2016)
In this paper, we determine the simple groups $G=AB$, where $B$ is isomorphic to $L_{3}(4)$ and $A$ isomorphic to an alternating or a symmetric group on $n\geq5$, letters.
Externí odkaz:
https://doaj.org/article/1346b21303834e73bd3505d59fc54d43
Publikováno v:
Bulletin of the Australian Mathematical Society. 103:475-485
A finite group whose irreducible complex characters are rational-valued is called a rational group. The aim of this paper is to determine the rational almost simple and rational quasi-simple groups.
Publikováno v:
The Journal of the Indian Mathematical Society.
In this paper, we construct, using computations withMagma, a ternary code C from a primitive permutation representation of degree 15 of the group PSL2(9) by Key-Moori Method 1. The code C is an optimal code invariant under the group S6. We consider t
Publikováno v:
Transactions on Combinatorics, Vol 1, Iss 2, Pp 41-48 (2012)
The non commuting graph of a non-abelian finite group $G$ is defined as follows: its vertex set is $G-Z(G)$ and two distinct vertices $x$ and $y$ are joined by an edge if and only if the commutator of $x$ and $y$ is not the identity. In this paper we
Externí odkaz:
https://doaj.org/article/fb78116f44b743a7b80f116e36bf927f
Publikováno v:
Mathematics, Vol 6, Iss 4, p 57 (2018)
Let G be a finite group. The prime graph Γ ( G ) of G is defined as follows: The set of vertices of Γ ( G ) is the set of prime divisors of | G | and two distinct vertices p and p ′ are connected in Γ ( G ) , whenever G contains an element of or
Externí odkaz:
https://doaj.org/article/ad704196a2fd476c9b339a722b650cc5
Autor:
MOHAMMAD REZA DARAFSHEH, ALI MOGHANI
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 1, Pp 45-52 (2009)
Maturated and unmaturated groups were introduced by the Japanese chemist Shinsaku Fujita, who used them in the markaracter table and the Q-conjugacy character table of a finite group. He then applied his results in this area of research to enumerate
Externí odkaz:
https://doaj.org/article/e404f3d03f194edf9a94139c770a3cba
Publikováno v:
Graphs and Combinatorics. 35:1179-1195
In this paper we first determine all possible connected core-free 2-arc transitive Cayley graphs of the dicyclic group, $$B_{4n}$$ , and then show that this can be used to classify all connected 2-arc transitive Cayley graphs of this group in terms o
Publikováno v:
Journal of Algebra and Its Applications. 21
Let [Formula: see text] be a finite group. We say that a conjugacy class of [Formula: see text] in [Formula: see text] is vanishing if there exists some irreducible character [Formula: see text] of [Formula: see text] such that [Formula: see text]. I