10月28日
3:15pm - 4:15pm
研討會, 演講, 講座
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
地點
https://hkust.zoom.us/j/9584764665 (Passcode: dt4fold)
講者/表演者
Dr. Jeongseok OH
Korea Institute for Advanced Study (KIAS)
Korea Institute for Advanced Study (KIAS)
主辦單位
Department of Mathematics
聯絡方法
付款詳情
對象
Alumni, Faculty and staff, PG students, UG students
語言
英語
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