Seminar Event Detail


Geometry

Date:  Friday, September 22, 2017
Location:  3866 East Hall (4:00 PM to 5:00 PM)

Title:  Are "children's drawings" good for anything?

Abstract:   The theory of dessins d'enfants (children's drawings) can be effectively used to make explicit calculations. In principle it allows one to obtain equations for ramified coverings of curves when the ramification data are specified, determine isomorphisms of certain curves or exhibit Jenkins-Strebel differentials in preferred coordinates. However, little progress has been made in utilizing the geometry/combinatorics of dessins for theoretical questions in algebraic number theory. Here we exhibit families of dessins that are geometrically simple and show that they have and/or conjecturally have interesting arithmetical properties.

Files:


Speaker:  Mehrdad Shahshahani
Institution:  Sharif University of Technology, Tehran

Event Organizer:     

 

Edit this event (login required).
Add new event (login required).
For access requests and instructions, contact math-webmaster@umich.edu

Back to previous page
Back to UM Math seminars/events page.