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Sigma-function solution to the general Somos-6 recurrence via hyperelliptic Prym varieties

Fedorov, Yuri N., Hone, Andrew N.W. (2016) Sigma-function solution to the general Somos-6 recurrence via hyperelliptic Prym varieties. Journal of Integrable Systems, 1 (1). ISSN 2058-5985. (doi:10.1093/integr/xyw012) (KAR id:53527)

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Abstract

We construct the explicit solution of the initial value problem for sequences generated by the general Somos-6 recurrence relation, in terms of the Kleinian sigma-function of genus two. For each sequence there is an associated genus two curve \(X\), such that iteration of the recurrence corresponds to translation by a fixed vector in the Jacobian of \(X\). The construction is based on a Lax pair with a spectral curve \(S\) of genus four admitting an involution \(\sigma\) with two fixed points, and the Jacobian of \(X\) arises as the Prym variety Prym \((S,\sigma)\).

Item Type: Article
DOI/Identification number: 10.1093/integr/xyw012
Subjects: Q Science > QA Mathematics (inc Computing science) > QA150 Algebra > QA241 Number theory
Q Science > QA Mathematics (inc Computing science) > QA351 Special functions
Q Science > QA Mathematics (inc Computing science) > QA564 Algebraic Geometry
Divisions: Faculties > Sciences > School of Mathematics Statistics and Actuarial Science
Depositing User: Andrew Hone
Date Deposited: 18 Dec 2015 12:52 UTC
Last Modified: 16 Jan 2020 12:42 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/53527 (The current URI for this page, for reference purposes)
Hone, Andrew N.W.: https://orcid.org/0000-0001-9780-7369
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