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arXiv · 1804.05467

Generalized boundary strata classes

Aaron Pixton
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Abstract

We describe a generalization of the usual boundary strata classes in the Chow ring of $\overline{\mathcal{M}}_{g,n}$. The generalized boundary strata classes additively span a subring of the tautological ring. We describe a multiplication law satisfied by these classes and check that every double ramification cycle lies in this subring.

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Aaron Pixton. 2018-04-16. Generalized boundary strata classes. https://arxiv.org/abs/1804.05467

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