2015•Cumhuriyet Science JournalOpen access

Harry-Dym Hierarchy: Hereditary Operator and Ablowitz-Ramani-Segur Conjecture

H. Sadeghi, S.M. Hoseini, S. Eskandar

Abstract

Abstract. Using Lax representation, hereditary operator related to the Harry-Dym ( HD ) hierarchy is constructed. Also Lie analysis and Lax pair are used to drive the conserved quantities for the HD hierarchy. Lie symmetry method is also applied to study Painlev´e test for the family of HD hierarchy. It is found that for this family the Painlev´e property can be at most sufficient for integrability, but not necessary. This fact has been proved earlier for just first member of this family.

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Key concepts: Hierarchy, Operator (biology), Mathematics, Conjecture, Pure mathematics, Representation (politics), Symmetry (geometry), Characterization (materials science)