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Junior Geometry
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Yixian Wu, Zoom: Logarithmic Gromov-Witten Invariants
Tuesday, September 08, 2020, 09:00am - 10:00am
Gromov-Witten invariants are the answers to questions like: How many curves of degree d are there in P^2 that pass through 3d-1 general points? Though the computation of them are in general hard, the property that they are deformation invariants provides a way that leads to simplification. In particular, it is desirable to have a Gromov-Witten theory on a degenerate target space. Logarithmic Gromov-Witten theory provides a beautiful answer to the question. In this talk, I will first give an introduction to the ordinary GW-invariants, and then talk about log GW-theory and how we can use it to decompose the ordinary GW-invariants into log GW-invariants over certain tropical types.
Location: Zoom

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