An abelian surface with (1,6)-polarisation

Abstract

We use the method of Adler-van Moerbeke and Vanhaecke to show that the general fibre of the hamiltonian system of Dorizzi, Grammaticos and Ramani completes to a (1, 6)-polarised abelian surface.

arXiv commentThis is the second version of tis paper. We removed some typos and corrected a formula and a statement in the appendix. A section about a one-parameter deformation of the given integrable system has been added