We match the elliptic genus of a Berglund-Hubsch Landau-Ginzburg orbifold with the supertrace of y(J[0]) q(L[0]) on a vertex algebra V-1,V-1. We show that it is a weak Jacobi form and the elliptic genus of one theory is equal (up to a sign) to the elliptic genus of its mirror.
机构:
Russian Acad Sci, Steklov Math Inst, Moscow, Russia
Natl Res Univ Higher Sch Econ, Moscow, RussiaRussian Acad Sci, Steklov Math Inst, Moscow, Russia