10月28日
3:15pm - 4:15pm
研讨会, 演讲, 讲座
We define a localised Euler class for isotropic sections, and isotropic cones, in SO(N) bundles. We use this to give an algebraic definition of Borisov-Joyce's sheaf counting invariants on Calabi-Yau 4-folds. When a torus acts, we prove a localisation result. This talk is based on the joint work with Richard. P. Thomas.
10月28日
3:15pm - 4:15pm
地点
https://hkust.zoom.us/j/9584764665 (Passcode: dt4fold)
讲者/表演者
Dr. Jeongseok OH
Korea Institute for Advanced Study (KIAS)
Korea Institute for Advanced Study (KIAS)
主办单位
Department of Mathematics
联系方法
付款详情
对象
Alumni, Faculty and staff, PG students, UG students
语言
英语
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