Browsing by Subject "Group analysis"

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    • Conference Object  

      Group analysis of a class of nonlinear Kolmogorov equations 

      Vaneeva, Olena O.; Karadzhov, Y.; Sophocleous, Christodoulos (Springer New York LLC, 2016)
      A class of (1+2)-dimensional diffusion-convection equations (nonlinear Kolmogorov equations) with time-dependent coefficients is studied with Lie symmetry point of view. The complete group classification is achieved using ...
    • Article  

      Group analysis of Benjamin - Bona - Mahony equations with time dependent coefficients 

      Vaneeva, Olena O.; Popovych, R. O.; Sophocleous, Christodoulos (2015)
      Group classification of a class of Benjamin-Bona-Mahony (BBM) equations with time dependent coefficients is carried out. Two equivalent lists of equations possessing Lie symmetry extensions are presented: up to point ...