On Jacobi Inversion Formulae for Telescopic Curves

Takanori Ayano

Symmetry, integrability and geometry: methods and applications, Tome 12 (2016)

Résumé

For a hyperelliptic curve of genus $g$, it is well known that the symmetric products of $g$ points on the curve are expressed in terms of their Abel–Jacobi image by the hyperelliptic sigma function (Jacobi inversion formulae). Matsutani and Previato gave a natural generalization of the formulae to the more general algebraic curves defined by $y^r=f(x)$, which are special cases of $(n,s)$ curves, and derived new vanishing properties of the sigma function of the curves $y^r=f(x)$. In this paper we extend the formulae to the telescopic curves proposed by Miura and derive new vanishing properties of the sigma function of telescopic curves. The telescopic curves contain the $(n,s)$ curves as special cases.

Détail

Keywords: sigma function; inversion of algebraic integrals; vanishing of sigma function; Riemann surface; telescopic curve.

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