We present an integrability test for discrete equations on the square lattice, which is based on the existence of a generalized symmetry. We apply this test to a number of equations obtained in different recent papers. As a result we prove the integrability of seven equations which differ essentially from the QV equation introduced by Viallet and thus from the Adler-Bobenko-Suris list of equations contained therein.

Levi, D., Yamilov, R.i. (2011). Generalized symmetry integrability test for discrete equations on the square lattice. JOURNAL OF PHYSICS. A, MATHEMATICAL AND THEORETICAL, 44(14) [10.1088/1751-8113/44/14/145207].

Generalized symmetry integrability test for discrete equations on the square lattice

LEVI, Decio;
2011-01-01

Abstract

We present an integrability test for discrete equations on the square lattice, which is based on the existence of a generalized symmetry. We apply this test to a number of equations obtained in different recent papers. As a result we prove the integrability of seven equations which differ essentially from the QV equation introduced by Viallet and thus from the Adler-Bobenko-Suris list of equations contained therein.
2011
Levi, D., Yamilov, R.i. (2011). Generalized symmetry integrability test for discrete equations on the square lattice. JOURNAL OF PHYSICS. A, MATHEMATICAL AND THEORETICAL, 44(14) [10.1088/1751-8113/44/14/145207].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/155499
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