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报告人：曲三太 副研究员（中国科学技术大学）

时间：2025年12月01日 14:00-

地址：数统学院LD705

摘要：Stein degree measures the number of connected components of general fibers of a projective morphism.  A conjecture due to Caucher Birkar asserts that Stein degree of boundary divisors on log Calabi–Yau fibrations is bounded from above.  In this talk, I will present our recent progress that establishes the boundedness of Stein degree, thereby confirming Birkar’s conjecture in the general framework of generalised pairs.  This talk is based on joint work with Caucher Birkar.

邀请人：邹瑜

欢迎广大师生积极参与！