首师大数论组讨论班（2015-10-21）
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SHUN TANG
Oct 14, 2015, 3:22:25 AM10/14/15
to Celtic Zhang, cnuarith, Derong Qiu, dshwei, gnge, Hui Gao, jiangxue fang, Jinpeng An, kinglaihonkon, kzli, Peng Sun, Ruochuan Liu, Weizhe Zheng, wuke, xufei, yichaot, Yonghui Wang, Zhibin Liang, 孙晟昊, 李克正, 许晨阳, bbyingjin, 李岩, 张翀, 梁庭嘉, Yongquan Hu, matht...@outlook.com, sy...@math.tsinghua.edu.cn
诸位好，本学期首都师范大学第三次数论与代数几何讨论班将于下周举行：
时间：2015年10月21日 周三 下午 16：00--17：00
地点：首都师范大学北二区教学楼513教室（此校区位于西三环紫竹桥南首师大北一区的街对面，走一个过街天桥即到）
报告人：杨森 博士 (清华大学数学科学中心)
题目：Higher K-theory and deformation of Chow groups
摘要：In this talk, I will report recent results on deformation theory of Chow groups, mainly due to Green-Griffiths, Bloch-Esnault-Kerz and myself. The focus will be variational Hodge conjecture and its variants. In particular, using higher K-theory, I will explain how to answer the following questions posed by Green and Griffiths:
1) How to define tangent space to algebraic cycles in general?
2) Obstruction issues (V.S. Hilbert scheme)
3) Extend Bloch's formula and its variant(due to Soule) to infinitesimal NBHD.
请将此信息转发给其他感兴趣的老师和学生，期待与大家相会！
祝好！
唐舜
--
时间：2015年10月21日 周三 下午 16：00--17：00
地点：首都师范大学北二区教学楼513教室（此校区位于西三环紫竹桥南首师大北一区的街对面，走一个过街天桥即到）
报告人：杨森 博士 (清华大学数学科学中心)
题目：Higher K-theory and deformation of Chow groups
摘要：In this talk, I will report recent results on deformation theory of Chow groups, mainly due to Green-Griffiths, Bloch-Esnault-Kerz and myself. The focus will be variational Hodge conjecture and its variants. In particular, using higher K-theory, I will explain how to answer the following questions posed by Green and Griffiths:
1) How to define tangent space to algebraic cycles in general?
2) Obstruction issues (V.S. Hilbert scheme)
3) Extend Bloch's formula and its variant(due to Soule) to infinitesimal NBHD.
请将此信息转发给其他感兴趣的老师和学生，期待与大家相会！
祝好！
唐舜
--
Shun TANG
School of Mathematical Sciences
Capital Normal University
No. 105, West 3rd Ring North Road
100048, Beijing
P. R. China
School of Mathematical Sciences
Capital Normal University
No. 105, West 3rd Ring North Road
100048, Beijing
P. R. China
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