
Sergey Khoroshkin
Institute of Theoretical and Experimental Physics, Moscow
Current structure of the quantum affine algebras
Friday 8th, November 12:0512:55pm,
Carslaw 373.
We shall survey the braid group action, different from Lusztig's,
describe the nonsimple root currents, matrix coefficients,
Serre relations and the integral formula for the universal Rmatrix.
The properies of the universal Rmatrix in the Drinfeld comultiplication
admit completely geometric reformulation. This helps to find
a presentation of the universal Rmatrix in the form of a series of
contour integrals and then investigate and apply this presentation.







