On the construction of evolution equations admitting a master symmetry
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2002
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Elsevier
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Abstract
A method for constructing evolution equations admitting a master symmetry is proposed. Several examples illustrating the method are presented. It is also noted that for certain evolution equations master symmetries can be useful for obtaining new conservation laws from a given one.
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©2002 Elsevier Science B.V. All rights reserved.
F.F. would like to express his gratitude to the Department of Mathematics of Imperial College for its hospitality. A.S.F. is grateful to J. Sanders for useful suggestions. This work was partially supported by EPSRC grant No. GR/M61450 and by DGES grant PB98-0821.