Séminaire Arithmétique et Géométrie Algébrique
Laurent inversion and its applications
mars 2023
Intervenant : Liana Heuberger
Institution : University of Bath
Heure : 14h00 - 15h00
Lieu : 3L15

I will discuss how to use Laurent inversion, a technique coming from mirror symmetry which constructs toric embeddings, to study the local structure of the K-moduli space of a K-polystable toric Fano variety. More specifically, starting from a given toric Fano 3-fold X of anticanonical volume 28 and Picard rank 4, and combining a local study of its singularities with the global deformation provided by Laurent inversion, we are able to conclude that the K-moduli space is rational around X. This is part of upcoming work with Andrea Petracci.

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