March 2013 April 2013 May 2013 Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa 1 2 1 2 3 4 5 6 1 2 3 4 3 4 5 6 7 8 9 7 8 9 10 11 12 13 5 6 7 8 9 10 11 10 11 12 13 14 15 16 14 15 16 17 18 19 20 12 13 14 15 16 17 18 17 18 19 20 21 22 23 21 22 23 24 25 26 27 19 20 21 22 23 24 25 24 25 26 27 28 29 30 28 29 30 26 27 28 29 30 31 31 |

4:00 pm Wednesday, April 10, 2013 Geometry-Analysis Seminar: Picard groups on Moduli space of K3 surfacesby Zhiyuan Li (Stanford) in HBH 227- The Noether-Lefschetz divisors on moduli space M_2d of quasi-polarized K3 surfaces of degree 2d will be introduced from both geometry and arithmetic. Maulik and Pandharipande have conjectured that the Picard group of M_2d is generated by the Noether-Lefschetz divisors. We verify this conjecture via GIT when the degree is small. I will also talk about the general case and the relation to automorphic representation theory. A conjectural approach to this problem may be discussed at the end of this talk. This is a joint work with Zhiyu Tian.
Submitted by hassett@math.rice.edu |