Discrete equations on planar graphs
Abstract
The analogue of the notion of the zerocurvature representation is given for equations of the discrete Toda lattice type on an arbitrary planar graph. Several examples are presented which generalize known integrable equations on Z^{2}.
 Publication:

Journal of Physics A Mathematical General
 Pub Date:
 December 2001
 DOI:
 10.1088/03054470/34/48/310
 Bibcode:
 2001JPhA...3410453A