On the Top-Weight Rational Cohomology of $A_g$

Madeline Brandt, Juliette Bruce, Melody Chan +3

We compute the top-weight rational cohomology of $A_g$ for $g=5$, $6$, and $7$, and we give some vanishing results for the top-weight rational cohomology of $A_8,A_9,$ and $ A_{10…