1 problem

For integers $n_i\geq 0$, define $\langle\tau_{n_1,m_1}\dots\tau_{n_s,m_s}\rangle_g$ by … where $c_D(\mathcal{V})$ is Witten's top Chern class and $D=(g-1)/3+\sum_{i=1}^s m_i/3$. L…