2 papers
math.AG2026
Low-weight compactly supported cohomology of and the extended Torelli morphism
Amy Bradford
We study the weight zero and weight two graded pieces of the compactly supported cohomology of the moduli space of stable -pointed curves of genus of…
math.AG2026
The fifteenth cohomology group of moduli spaces of stable curves
Amy Bradford, Aitor Iribar López, Andreas Kretschmer +1
The new framework of semi-tautological extensions has allowed for explicit understanding of low-degree odd cohomology groups of moduli spaces of stable curves. Let $S^*_ω(\overline…