SISSA/IGAP algebraic geometry seminars, 3rd series
    Alessandro Nobile 
    anobile at sissa.it
       
    Fri Apr 16 15:02:30 CEST 2021
    
    
  
Dear all,
    this is to announce the next SISSA/IGAP algebraic geometry seminar.
SPEAKER:    Michele Graffeo - SISSA
TITLE:         Crepant resolutions of symplectic quotient singularities
as  moduli spaces of constellations.
WHEN:        Thursday, April 22 at 4.30pm (Rome)
WHERE:      Link Zoom:          
https://sissa-it.zoom.us/j/86292333052?pwd=UDRPUU1WMktiRjNjcjV2SWhCeEZadz09
                  ID riunione:          862 9233 3052
                  Passcode:             327926
ABSTRACT: It is a well known fact that, given a finite subgroup G <
SL(n,C) (n=2,3) there exists a crepant resolution of the singularity 
C^n/G which parametrizes "scheme theoretic orbits of the G action". In
the seminar I will start by explaining the above sentence and then I
will show how G-constellations help to fit the above statement ina  more
general context.
The key words of this seminar are:
1. Group theory
2. Resolution of singularities & birational transformations
3. Combinatorics
4. Commutative algebra
5. Stability conditions (following King)
6. Many many examples. 
Best regards,
Andrea, Alessandro and Michele
    
    
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