具有正斜率的叶理与轨道折叠余切丛的双有理稳定性
Foliations with positive slopes and birational stability of orbifold cotangent bundles
摘要:
在这篇文章中,我们考虑对数典型对是对数光滑的。如果相应的典范丛是伪有效的,那么我们证明了任何商的orbifold余切丛对有一个伪有效行列式。在证明中的新成分之一是一个推广的Bogomolov-McQuillan代数性标准的上下文中的全纯叶理的最小斜率相对于一个可移动类是积极的。
英文摘要:
In this article we consider log canonical pairs which are log-smooth. If the corresponding canonical bundle is pseudo-effective, then we show that any quotient of the orbifold cotangent bundle of the pair has a pseudo-effective determinant. One of the new ingredients in the proof is a generalization of the Bogomolov-McQuillan algebraicity criterion in the context of holomorphic foliations whose minimal slope with respect to a movable class is positive.
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