FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2004, VOLUME 10, NUMBER 1, PAGES 29-37

On construction of symmetries from integrals of hyperbolic partial differential systems

D. K. Demskoi
S. Ya. Startsev

Abstract

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An algorithm is proposed which allows one to construct higher symmetries of arbitrary order for some special classes of hyperbolic systems possessing the integrals. The Pohlmeyer--Lund--Regge system and the open two-dimensional Toda lattices are shown to belong to the class of systems such that our algorithm is applicable.

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Last modified: October 25, 2004