3 papers
solv-int1999
Integrability Tests for Nonlinear Evolution Equations
Willy Hereman, Unal Goktas
Discusses several integrability tests for nonlinear evolution equations.
solv-int1998
Computation of Higher-order Symmetries for Nonlinear Evolution and Lattice Equations
Unal Goktas, Willy Hereman
A straightforward algorithm for the symbolic computation of higher-order symmetries of nonlinear evolution equations and lattice equations is presented. The scaling properties of t…
solv-int1998
Invariants and Symmetries for Partial Differential Equations and Lattices
Unal Goktas, Willy Hereman
Methods for the computation of invariants and symmetries of nonlinear evolution, wave, and lattice equations are presented. The algorithms are based on dimensional analysis, and ca…