author: ludmil katzarkov

Algebraic Geometry: 2005 Summer Research Institute, July 25-August 12, 2005, University of Washington, Seattle, Washington

... A4V → A4P, with exceptional divisor E, and PicQ(A4V) = QL ⊕ QD ⊕ QE. For our purposes use F := D + 4E instead ofD in the basis: F ⊂ A4V is the pullback ofD ⊂ A4P under π. Then we have ; 〈E10〉 = − 35 24 , while all other ...