Master Symmetries from Lax Operators for Certain Lattice Soliton Hierarchies : General Physics

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概要

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• From a given discrete spectral problem we construct Lax operators for hierarchies of isospectral and nonisospectral lattice soliton systems systematically. We also present algebraic structures of the Kac-Moody-Virasoro type (Witt algebra) related to Lax operators. Based on these algebraic structures we get directly an algebra of commuting symmetry and master symmetry vector fields. Three hierarchies of coupled discrete systems of evolution equation equations are treated in detail.

• 社団法人日本物理学会の論文
• 2000-02-15

著者

• Ma Wen-xiu

  Department Of Mathematics City University Of Hong Kong

• Ma Wen-xiu

  Department Of Mathematics City University Of Hongkong

• Tamizhmani K

  Pondicherry Univ. Pondicherry Ind

• Tamizhmani K.m.

  Department Of Mathematics Pondicherry University

• TAMIZHMANI K.M

  Department of MatheTnatics,Pondicherry University

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