Boris Feigin - Extensions of usual and deform vertex algebras
Channel: Institut des Hautes Études Scientifiques (IHÉS)
Date: 15/11/2013

Boris Feigin (Landau Institute, Moscou)
Extensions of usual and deform vertex algebras
There are two natural ways to constract the new vertex algebras.One -as subalgebra in
the known one.Bosonisation is the special case of this construction.The second idea is
opposite -to get the new algebras as exstensions ,in this case we add to vertex algebra
some combination of vertex operators.We discuss several examples .Some of them are
related with AGT bisiness.