Algebraic Geometry Seminar

Title: Divisorial contractions and local analytic equivalence
Speaker: Erik Paemurru
Speaker Info: University of Miami
Brief Description:
Special Note:

Divisorial contractions are blowups with an irreducible exceptional divisor between terminal varieties. Divisorial contractions are one of the main morphisms used in the minimal model program and the Sarkisov program. The 3-dimensional classification of divisorial contractions with centre a point is of local analytic nature. We give some improvements to the existing classification: we simplify the case where the centre is a cA_n singularity, and we show how to extract an effective global algebraic classification from the local analytic one.
Date: Wednesday, February 15, 2023
Time: 3:00pm
Where: Lunt 105
Contact Person: Yuchen Liu
Contact email: yuchenl@northwestern.edu
Contact Phone:
Copyright © 1997-2024 Department of Mathematics, Northwestern University.