New posts in Gr.Group Theory

Contractible Rips complex from non-hyperbolic group

The randomness of modular squaring

Is every finite group the outer automorphism group of a finite group?

A possible characterization of the category of finite $p$-groups

A "subtle" isomorphism testing problem: $\mathbb{Z}\ltimes_{A} \mathbb{Z}^5\cong \mathbb{Z}\ltimes_{B}\mathbb{Z}^5$ or not?

Deciding if $\mathbb{Z}\ltimes_A \mathbb{Z}^5$ and $\mathbb{Z}\ltimes_B \mathbb{Z}^5$ are isomorphic or not

Is every countable discrete group a subgroup of a non discrete Lie group?

Non-abelian Ext functor and non-abelian $H^2$

Presentations of $\mathbf{PGL}_3(\mathbb{F}_2)$ by three involutions

Classification of subgroups of finitely generated abelian groups