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The Chow ring of heavy/light Hassett spaces via tropical geometry (Dagan Karp, HMC)

November 9, 2021 @ 12:30 pm - 1:20 pm

Hassett spaces in genus 0 are moduli spaces of weighted pointed stable rational curves; they are important in the minimal model program and enumerative geometry. We compute the Chow ring of heavy/light Hassett spaces. The computation involves intersection theory on the toric variety corresponding to a graphic matroid, and rests upon the work of Cavalieri-Hampe-Markwig-Ranganathan. This is joint work with Siddarth Kannan and Shiyue Li.


November 9, 2021
12:30 pm - 1:20 pm
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On Zoom