On the rational cohomology of spin hyperelliptic mapping class groups

Gefei Wang

Let $\mathfrak{G}$ be the subgroup ${\mathfrak{S}}_{n-q}\times {\mathfrak{S}}_q$ of the $n$-th symmetric group ${\mathfrak{S}}_n$ for $n-q\ge q$. In this paper, we study the $\mat…