Andrei Jaikin-Zapirain

collaborators

2 papers

math.GR2026

Profinite detection of free products and free factors

Andrei Jaikin-Zapirain, Henrique Souza, Pavel Zalesski

Let $G$ be the fundamental group of a graph of finitely generated virtually free groups with virtually cyclic edge groups. We shaw that $G$ is cohomologically good if $G$ is residu…

math.GR2024

Asymptotic invariants of residually finite just infinite groups

Andrei Jaikin-Zapirain, Steffen Kionke

Recently, Eduard Schesler and the second author constructed examples of finitely generated residually finite, hereditarily just infinite groups with positive first $L^{2}$ -Betti numb…