How to Recognize Families of Cartier Divisors?

Speaker


János Kollár (Princeton University)
Date
Thu January 24th 2013, 9:00am
Event Sponsor
Mathematics Research Center
Location
Gates Building, Room B12, 353 Serra Mall Stanford CA, 94305
MRC Event Series

We propose a strengthening of the Grothendieck-Lefschetz hyperplane theorem for the local Picard group, prove some special cases and derive several consequences to the deformation theory of log canonical singularities.