Braden, H.W., Enolskii, V.Z., Hone, Andrew N.W. (2005) Bilinear recurrences and addition formulae for hyperelliptic sigma functions. Journal of Nonlinear Mathematical Physics, 12 (Sup.2). pp. 4662. ISSN 14029251. (doi:10.2991/jnmp.2005.12.s2.5) (KAR id:41493)
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Official URL http://dx.doi.org/10.2991/jnmp.2005.12.s2.5 
Abstract
The Somos 4 sequences are a family of sequences satisfying a fourth order bilinear recurrence relation. In recent work, one of us has proved that the general term in such sequences can be expressed in terms of the Weierstrass sigma function for an associated elliptic curve. Here we derive the analogous family of sequences associated with an hyperelliptic curve of genus two defined by the affine model y2=4x5+c4x4+...+c1x+c0. We show that the recurrence sequences associated with such curves satisfy bilinear recurrences of order 8. The proof requires an addition formula which involves the genus two Kleinian sigma function with its argument shifted by the Abelian image of the reduced divisor of a single point on the curve. The genus two recurrences are related to a B\"{a}cklund transformation (BT) for an integrable Hamiltonian system, namely the discrete case (ii) H\'{e}nonHeiles system.
Item Type:  Article 

DOI/Identification number:  10.2991/jnmp.2005.12.s2.5 
Additional information:  Special Issue: Symmetries and Integrability of Difference Equations SIDE VI 
Subjects: 
Q Science > QA Mathematics (inc Computing science) > QA351 Special functions Q Science > QA Mathematics (inc Computing science) > QA372 Ordinary differential equations Q Science > QA Mathematics (inc Computing science) > QA564 Algebraic Geometry 
Divisions:  Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Mathematics, Statistics and Actuarial Science 
Depositing User:  Andrew Hone 
Date Deposited:  21 Jun 2014 01:28 UTC 
Last Modified:  16 Feb 2021 12:54 UTC 
Resource URI:  https://kar.kent.ac.uk/id/eprint/41493 (The current URI for this page, for reference purposes) 
Hone, Andrew N.W.:  https://orcid.org/0000000197807369 
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