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pro vyhledávání: '"Hafezieh, Roghayeh"'
The structure of the character degree graphs $\Delta(G)$, i.e. the prime graphs on the set $\mathrm{cd}(G)$ of the irreducible character degrees of a finite group $G$, such that $G$ is solvable and $\Delta(G)$ has diameter three, remains an intriguin
Externí odkaz:
http://arxiv.org/abs/2402.19335
We investigate the structural properties of binary linear codes whose permutation automorphism group has a fixed point free automorphism of order $3$. We prove that up to dimension or codimension $4$, there is no binary linear code whose permutation
Externí odkaz:
http://arxiv.org/abs/2402.10667
Publikováno v:
Journal of Algebra and its Applications(2023)
We investigate the properties of binary linear codes of even length whose permutation automorphism group is a cyclic group generated by an involution. Up to dimension or co-dimension $4$, we show that there is no quasi group code whose permutation au
Externí odkaz:
http://arxiv.org/abs/2208.00299
Given a finite group $G$, the character graph, denoted by $\Delta(G)$, for its irreducible character degrees is a graph with vertex set $\rho(G)$ which is the set of prime numbers that divide the irreducible character degrees of $G$, and with $\{p,q\
Externí odkaz:
http://arxiv.org/abs/1909.09236
Autor:
Hafezieh, Roghayeh, Spiga, Pablo
Let $G$ be a finite group. The bipartite divisor graph for the set of irreducible complex character degrees is the undirected graph with vertex set consisting of the prime numbers dividing some character degree and of the non-identity character degre
Externí odkaz:
http://arxiv.org/abs/1906.08515
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Publikováno v:
In Discrete Applied Mathematics 15 November 2021 303:86-93
Autor:
Hafezieh, Roghayeh
Let $G$ be a finite group. We consider the set of the irreducible complex characters of $G$, namely $Irr(G)$, and the related degree set $cd(G)=\{\chi(1) : \chi\in Irr(G)\}$. Let $\rho(G)$ be the set of all primes which divide some character degree o
Externí odkaz:
http://arxiv.org/abs/1511.07644
Autor:
Hafezieh, Roghayeh, Spiga, Pablo
Given a finite group G, the bipartite divisor graph for its conjugacy class sizes is the bipartite graph with bipartition consisting of the set of conjugacy class sizes of G-Z (where Z denotes the centre of G) and the set of prime numbers that divide
Externí odkaz:
http://arxiv.org/abs/1309.5629
Akademický článek
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