Complements and coregularity of Fano varieties

We study the relation between the coregularity, the index of log Calabi–Yau pairs and the complements of Fano varieties. We show that the index of a log Calabi–Yau pair $(X,B)$ of coregularity $1$ is at most $120\lambda ^2$ , where $\lambda $ is the Weil index of $K_X+...

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Bibliographic Details
Main Authors: Fernando Figueroa, Stefano Filipazzi, Joaquín Moraga, Junyao Peng
Format: Article
Language:English
Published: Cambridge University Press 2025-01-01
Series:Forum of Mathematics, Sigma
Subjects:
Online Access:https://www.cambridge.org/core/product/identifier/S2050509424000690/type/journal_article
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