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Logarithmic Gromov-Witten invariants

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If you have a question about this talk, please contact Mustapha Amrani .

Moduli Spaces

Relative Gromov-Witten invariants, which count curves with specified orders of tangency with a smooth divisor, have proven to be an extremely useful tool in Gromov-Witten theory: the gluing formula allows one to compute GW invariants of varieties by degenerating them to normal crossing unions of two varieties and then computing relative GW invariants on each of these varieties. Siebert and I propose a generalization of relative GW invariants which will allow tangency conditions with much more general divisors, and allow much more complicated degenerations.

This talk is part of the Isaac Newton Institute Seminar Series series.

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Cambridge University Engineering Department, LT6 Lecture Theatre 2 and 3, Judge Business School (http://www.jbs.cam.ac.uk/aboutus/location.html) Scott Polar Lecture Theatre, Department of Chemistry

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