Lie group techniques for solving differential equations are extended to differential-difference equations. As an application, it is shown that the two-dimensional Toda lattice has an infinite dimensional symmetry group with a Kac-Moody-Virasoro Lie algebra
We present an algorithm for determining the Lie point symmetries of differential equations on fixed ...
We present an algorithm for determining the Lie point symmetries of differential equations on fixed ...
In this work we correlate the symmetry group of the continuous transformations of the Toda lattice t...
Lie group techniques for solving differential equations are extended to differential-difference equa...
We extend two of the methods previously introduced to find discrete symmetries of differential equat...
We extend two of the methods previously introduced to find discrete symmetries of differential equat...
Lie group theory was originally created more than 100 years ago as a tool for solving ordinary and p...
Differential-difference equations of the form u(n)=F-n(t,u(n-1),u(n),u(n+1)) are classified accordin...
Differential-difference equations of the form u(n)=F-n(t,u(n-1),u(n),u(n+1)) are classified accordin...
We apply two of the methods previously introduced to find discrete symmetries of differential equati...
The methods of Lie group analysis of differential equations are generalized so as to provide an infi...
The methods of Lie group analysis of differential equations are generalized so as to provide an infi...
Two different methods of finding Lie point symmetries of differential-difference equations are prese...
We apply two of the methods previously introduced to find discrete symmetries of differential equati...
Two different methods of finding Lie point symmetries of differential-difference equations are prese...
We present an algorithm for determining the Lie point symmetries of differential equations on fixed ...
We present an algorithm for determining the Lie point symmetries of differential equations on fixed ...
In this work we correlate the symmetry group of the continuous transformations of the Toda lattice t...
Lie group techniques for solving differential equations are extended to differential-difference equa...
We extend two of the methods previously introduced to find discrete symmetries of differential equat...
We extend two of the methods previously introduced to find discrete symmetries of differential equat...
Lie group theory was originally created more than 100 years ago as a tool for solving ordinary and p...
Differential-difference equations of the form u(n)=F-n(t,u(n-1),u(n),u(n+1)) are classified accordin...
Differential-difference equations of the form u(n)=F-n(t,u(n-1),u(n),u(n+1)) are classified accordin...
We apply two of the methods previously introduced to find discrete symmetries of differential equati...
The methods of Lie group analysis of differential equations are generalized so as to provide an infi...
The methods of Lie group analysis of differential equations are generalized so as to provide an infi...
Two different methods of finding Lie point symmetries of differential-difference equations are prese...
We apply two of the methods previously introduced to find discrete symmetries of differential equati...
Two different methods of finding Lie point symmetries of differential-difference equations are prese...
We present an algorithm for determining the Lie point symmetries of differential equations on fixed ...
We present an algorithm for determining the Lie point symmetries of differential equations on fixed ...
In this work we correlate the symmetry group of the continuous transformations of the Toda lattice t...
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