Shimura varieties for abelian fourfolds with an automorphism of order five
Matthias Schütt (Hannover) - Seminar Algebraic Geometry (SAG)
| What | 
                        
        
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| When | 
                        
                        
                            Apr 14, 2011  from 10:30 am to 11:30 am  | 
                
| Where | Hörsaal MPI Bonn (Vivatsgasse 7) | 
| Contact Name | sachinidis | 
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I will report on joint work with Bert van Geemen concerning moduli of 
principally polarised abelian fourfolds with an automorphism of order five. 
This moduli problem gives rise to a compact Shimura curve and a Shimura 
surface.
I will explain a new technique to exhibit explicit projective models for 
them. The Shimura varieties possess a rich arithmetic and geometric 
structure that will be described in detail.

