4 citations · 7 across the 5 of their papers we have counts for
5 papers
Symmetry Coefficients of Semilinear Partial Differential Equations
Igor Leite Freire, Antonio Carlos Gilli Martins
We show that for any semilinear partial differential equation of order m, the infinitesimals of the independent variables depend only on the independent variables and, if m>1 and t…
Group Classification of Burgers' Equations
Igor Leite Freire
In this work we carry out a complete group classification of Burgers' equations.
Noether Symmetries and Conservations Laws For Non-critical Kohn-Laplace Equations on Three-Dimensional Heisenberg Group
Igor Leite Freire
We show which Lie point symmetries of non-critical semilinear Kohn-Laplace equations on the Heisenberg group are Noether symmetries and we establish their respectives conserv…
Group Classification of Semilinear Kohn-Laplace Equations
Yuri Bozhkov, Igor Leite Freire
We study the Lie point symmetries of semilinear Kohn-Laplace equations on the Heisenberg group H^1 and obtain a complete group classification of these equations.
Divergence Symmetries of Critical Kohn-Laplace Equations on Heisenberg groups
Yuri Bozhkov, Igor Leite Freire
We show that any Lie point symmetry of semilinear Kohn-Laplace equations on the Heisenberg group H^1 with power nonlinearity is a divergence symmetry if and only if the correspondi…