We give an explicit weak solution to the Schottky problem, in the spirit of Riemann and Schottky. For any genus g, we write down a collection of polynomials in genus g theta constants such that their common zero locus contains the locus of Jacobians of genus g curves as an irreducible component. These polynomials arise by applying a specific Schottky-Jung proportionality to an explicit collection of quartic identities for genus g - 1 theta constants.
An explicit solution to the weak Schottky problem / Farkas, H. M.; Grushevsky, S.; Salvati Manni, R.. - In: ALGEBRAIC GEOMETRY. - ISSN 2214-2584. - 8:3(2021), pp. 358-373. [10.14231/AG-2021-009]
An explicit solution to the weak Schottky problem
Salvati Manni, R.
2021
Abstract
We give an explicit weak solution to the Schottky problem, in the spirit of Riemann and Schottky. For any genus g, we write down a collection of polynomials in genus g theta constants such that their common zero locus contains the locus of Jacobians of genus g curves as an irreducible component. These polynomials arise by applying a specific Schottky-Jung proportionality to an explicit collection of quartic identities for genus g - 1 theta constants.| File | Dimensione | Formato | |
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