Thomae's Derivative Formulae for Trigonal Curves
arXiv:1810.06031 · doi:10.1007/s11005-019-01233-4
Abstract
In this paper we prove a Thomae derivative formula for trigonal curves admitting a non-singular affine model. This formula relates the derivatives of theta functions with rational characteristics on the curve to explicit expressions in the branching values.
21 pages, mainly added two references and Remark 3.4