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Regularized integrals on Riemann surfaces and correlations functions in 2d chiral CFTs
April 5, 2022 @ 9:30 am - 10:30 am
Abstract: I will report a recent approach of regularizing divergent integrals on configuration spaces of Riemann surfaces, introduced by Si Li and myself in arXiv:2008.07503, with an emphasis on genus one cases where modular forms arise naturally. I will then talk about some applications in studying correlation functions in 2d chiral CFTs, holomorphic anomaly equations, etc. If time permits, I will also mention a more algebraic formulation of this notion of regularized integrals in terms of mixed Hodge structures.
The talk is partially based on joint works with Si Li.