The Demazure roots of a spherical embedding
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    SFB-Kolloquium
  
        Kevin Loanglois (Bonn)
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                            Feb 26, 2015  from 03:30 pm to 04:30 pm  | 
                
| Where | Mainz, 05-432 (Hilbertraum) | 
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Abstract. This talk is devoted to the classification of normalized additive group actions on affine spherical varieties. After recalling some basic notions concerning the Luna-Vust theory, we will present a description of these actions which generalizes the classical toric case. This is a joint work with Alexander Perepechko.

