A note on absolute σ-summability
On the conjugacy classes of $p^2\colon\!{\rm GL}_2(p)$-$p$ odd prime''
On the number of representations of an integer by a linear form
On the character table of the wreath product $2.G Wr C_2$
On the analysis of the cosets of $\Gamma=E\colon\!{\rm GL}_n(p),\ p$, p prime.
Commutativity conditions for semi-prime rings