Central Extension of the Yangian Double
Central Extension of the Yangian Double
Séminaires et Congrès | 1997
Anglais
A central extension $ {\widehat {DY(g)}}$ of the double of the Yangian is defined for a simple Lie algebra $g$ with complete proof for $g = s l _2 $. Basic representations and intertwining operators are constructed for $\widehat {DY( s)} g l_2)$.
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