Nonlinear Evolution Equations and Dynamical Systems Needs 90 [Paperback]

Proceedings of the 6th International Workshop, 16-26 July 1990, Dubna, USSRI One-Dimensional Integrable Models.- Some Remarks on the Hirota Bilinear Identity.- Hirota Equations of Level > 1.- Integrable N ? 0 Component Nonlinear Schr?dinger Model, Phase Transitions and Supersymmetry.- A Tri-Hamiltonian Extension of the Boussinesq Equation and Its Modification.- A Direct Algebraic Method for Solving Nonlinear Integrable Models.- Multivalued Solitons for a Hybrid Type of the Modified WKI Equation and Related Problems.- Miura Maps at the Turn of a Handle.- On the Integration of the Infinite Toda Lattice.- II Multi-Dimensional (Nonlinear) Models.- Recent Developments in Multidimensional Inverse Scattering.- Asymptotic Bifurcation of Multidimensional Solitons.- Localized Waves in N+1 Dimensions.- Recent Development for Integrable Integro-Differential Equations.- Exactly Solvable Nonlinear Evolution Equations Expressed by Trilinear Form.- A Derivation of Conserved Quantities and Symmetries for the Multi-Dimensional Soliton Equations.- Dromion Solutions for Generic NLS- and KdV-Type Equations.- Nonstandard Classes of Integrable Equations in 1+1 and 2+1 Dimensions.- From Polynomial Solutions to a General Solution of the BKP Equation.- Solutions of the Davey-Stewartson Equation with Non-Zero Boundary Condition.- Lump Solutions to the BKP Equation.- III Geometric and Algebraic Methods.- Geometry of Ermakov Systems.- Multisoliton Adiabatic Perturbation Theory. Algebraic Approach.- The Algebraic Structure Associated with Systems Possessing Non-Hereditary Recursion Operators.- Homogeneous Manifolds, Factorisation Problems and Modified KdV Equations.- B?cklund Transformations and Spectral Problems: the Korteweg-de Vries Interacting Soliton Equation and the Action-Angle Transformation.- Integrability of Polynomial-Nonlinear Evolution Equations and Computer Algebra.- Genetic Codes of Lie Algebras and Nonlinear Evolution Equations.- On Some Problems Concerning Local SymplectilÃ'