Dubrovin, BorisZhang YoujinZuo Dafeng20052011-09-0720052011-09-072005https://openscience.sissa.it/handle/1963/1787For the root system of type $B_l$ and $C_l$, we generalize the result of \cite{DZ1998} by showing the existence of a Frobenius manifold structure on the orbit space of the extended affine Weyl group that corresponds to any vertex of the Dynkin diagram instead of a particular choice of \cite{DZ1998}.254524 bytesapplication/pdfen-USExtended affine Weyl groups and Frobenius manifolds -- IIPreprint