Hopf algebras in the cohomology of $\mathcal{A}_g$,
$\mathrm{GL}_n(\mathbb{Z})$, and $\mathrm{SL}_n(\mathbb{Z})$
Brown, F
Chan, M
Galatius, S
Payne, S
(19 May 2024)
http://arxiv.org/abs/2405.11528v2
$\mathrm{GL}_n(\mathbb{Z})$, and $\mathrm{SL}_n(\mathbb{Z})$