2 papers
hep-th2004
Virasoro Symmetry in a 2h-dimensional Model and Its Implications
P. Furlan, V. B. Petkova
The set of two partial differential equations for the Appell hypergeometric function in two variables F_4(a,b,c,a+b-c+2-h,x,y) is shown to arise as a null vector decoupling relatio…
hep-th2000
Fusion Rings Related to Affine Weyl Groups
P. Furlan, V. B. Petkova
The construction of the fusion ring of a quasi-rational CFT based on at generic level is reviewed. It is a commutative ring generated by formal…