Seminars this semester


   Series:


May 22 Tue Paolo Stellari (Universita' degli studi di Milano)
14:00 J11 TBA
 
  Abstract:
TBA
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May 23 Wed Ciaran Meachan (University of Glasgow)
13:00 Hicks LT09 Derived equivalent Hilbert schemes of points on K3 surfaces which are not birational
 
  Abstract:
Starting with two non-birational derived equivalent K3 surfaces, one can ask whether their Hilbert schemes of points are birational. In this talk, we will show that in some cases they are but in most cases they are not. This is joint work with Giovanni Mongardi and Kota Yoshioka.
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May 23 Wed Xiaolei Zhao (Northeastern University)
15:00 Hicks LT09 Twisted cubics on cubic fourfolds and stability conditions
 
  Abstract:
It is a classical result of Beauville and Donagi that Fano varieties of lines on cubic fourfolds are hyper-Kahler. More recently, Lehn, Lehn, Sorger and van Straten constructed a hyper-Kahler eightfold out of twisted cubics on cubic fourfolds. In this talk, I will explain a new approach to these hyper-Kahler varieties via moduli of stable objects on the Kuznetsov components. Along the way, we will derive several properties of cubic fourfolds as consequences. This is based on a joint work with Chunyi Li and Laura Pertusi.
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May 23 Wed Chunyi Li (University of Warwick)
16:15 Hicks LT09 Bogomolov type inequality for Fano varieties with Picard number 1
 
  Abstract:
I will talk about some basic facts about slope stable sheaves and the Bogomolov inequality. New techniques from stability conditions will imply new stronger bounds on Chern characters of stable sheaves on some special varieties, including Fano varieties, quintic threefolds and etc. I will discuss the progress in this direction and some related open problems.
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May 29 Tue Elisa Postinghel (University of Loughborough)
14:00 J11
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Jun 5 Tue
14:00 J11
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Jun 12 Tue
14:00 J11
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Jun 19 Tue
14:00 J11
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Jun 26 Tue
14:00 J11
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