Volume 3, Issue 4

 

ارسال های اخیر

  • Quasirecognition by prime graph of finite simple groups ${}^2D_n(3)$ 

    Khosravi, Behrooz؛ Moradi, Hossein (University of Isfahan, 2014-12-01)
    ‎Let $G$ be a finite group‎. ‎In [Ghasemabadi et al.‎, ‎characterizations of the simple group ${}^2D_n(3)$ by prime graph‎ ‎and spectrum‎, ‎Monatsh Math.‎, ‎2011] it is‎ ‎proved that if $n$ is odd‎, ‎then ${}^2D _n(3)$ is ...

  • Symmetry classes of polynomials associated with the ‎direct ‎product of permutation groups 

    Babaei, Esmaeil؛ Zamani, Yousef (University of Isfahan, 2014-12-01)
    ‎Let $G_{i} $ be a subgroup of $ S_{m_{i}}‎ ,‎ 1 leq i leq k$‎. ‎Suppose $chi_{i}$ is an irreducible complex character of $G_{i}$‎. ‎We consider $ G_{1}times cdots times G_{k} $ as subgroup of $ S_{m} $‎, ‎where $ ...

  • On one class of modules over group rings with finiteness restrictions 

    Dashkova, Olga (University of Isfahan, 2014-12-01)
    The author studies the $bf R$$G$-module $A$ such that $bf R$ is an associative ring‎, ‎a group $G$ has infinite section $p$-rank (or infinite 0-rank)‎, ‎$C_{G}(A)=1$‎, ‎and for every‎ ‎proper subgroup $H$ of infinite section ...

  • On zero patterns of characters of finite groups 

    Zhang, Jinshan؛ Zeng, Guangju؛ Shen, Zhencai (University of Isfahan, 2014-12-01)
    The aim of this note is to characterize the finite‎ ‎groups in which all non-linear irreducible characters have distinct zero entries number‎.

  • A note on the normalizer of Sylow $2$-subgroup of special linear‎ ‎group ${rm SL}_2(p^f)$ 

    Shi, Jiangtao (University of Isfahan, 2014-12-01)
    Let $G={rm SL}_2(p^f)$ be a special linear group and $P$ be a Sylow‎ ‎$2$-subgroup of $G$‎, ‎where $p$ is a prime and $f$ is a positive‎ ‎integer such that $p^f>3$‎. ‎By $N_G(P)$ we denote the normalizer of‎ ‎$P$ in $G$‎. ...