Logarithmic double ramification cycles

D. Holmes, S. Molcho, R. Pandharipande +2

Let $A=(a_1,\dots ,a_n)$ be a vector of integers which sum to $k(2g-2+n)$. The double ramification cycle ${\mathsf{DR}}_{g,A}\in {\mathsf{CH}}^g({\mathcal{M}}_{g,n})$ on the moduli spac…