Extended affine Weyl groups of BCD type, Frobenius manifolds and their Landau-Ginzburg superpotentials

Boris Dubrovin, Ian A. B. Strachan, Youjin Zhang +1

For the root systems of type $B_l,C_l$ and $D_l$, we generalize the result of \cite{DZ1998} by showing the existence of Frobenius manifold structures on the orbit spaces of the ex…