2 papers
math.GR2026
Cohomology rings and -local behavior of even Artin groups
Marcos Escartín Ferrer, Giorgio Leoni, Conchita Martínez Pérez
We generalize to certain families of even Artin groups several classical results on right-angled Artin groups. In particular, we compute the cohomology ring, describe the pro- c…
math.GR2026
Generalising a Theorem of Lichtman
Giorgio Leoni, Conchita Martínez-Pérez, Thomas Weigel
We show that under a suitable additional hypothesis the restricted Zassenhaus $\F_p$-Lie algebra or the rational Magnus Lie algebra of a free amalgamated product is the free amalga…