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VOLUME 61 (1995) | ISSUE 2 | PAGE 142
Deformation of some integrable equations
It is shown that deformations of integrable equations in l«rf^3 or, in other words, nonautonomous versions of well-known integrable equations can be obtained by reduction of the self-duality equations of the Yang-Mills model in d = A under the action of symmetry groups. New nonautonomous integrable equations (and their linear systems), which are deformations of the equation of the principal chiral model in d=3, of the Korteweg-de Vries equation, and of the equations of the Hamiltonian systems with quartic potentials, are described. © 1995 American Institute of Physics.