代数簇的Castelnuovo-Mumford正则性-黑人巨大精品欧美_黑人巨大精品欧美黑寡妇_黑人巨大精品欧美一区二区_黑人巨大精品欧美一区二区免费_黑人巨大跨种族video_黑人巨大无码中文字幕无码_黑人巨茎大战俄罗斯美女_黑人巨茎大战俄罗斯美女

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代数簇的Castelnuovo-Mumford正则性

2020.11.18

投稿:龚惠英部门:理学院浏览次数:

活动信息

时间: 2020年11月23日 10:00

地点: 腾讯 会议

报告主题:代数簇的Castelnuovo-Mumford正则性

报告人:牛文博 Assistant professor(University of Arkansas)

报告时间:2020年11月23日(周一) 10:00

参会方式:腾讯 会议

会议ID:261 691 506

密码:234567

邀请人:毛雪峰

主办部门:理学院数学系

报告摘要:In this talk, I will discuss questions related to bounding Castelnuovo-Mumford regularity of algebraic varieties. The study of regularity can be traed back to Castelnuovo’s research in 1893 on the linear system of algebraic curves. It was formally defined by Mumford in 1960s. Nowadays, regularity becomes one of important invariants of algebraic varieties. I will start with the basic definition of Castelnuovo-Mumford regularity through cohomology and syzygy theories. Then I will present a couple of central problems in this area as well as recent progress and results.

 

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