English

Extended group analysis of variable coefficient reaction-diffusion equations with exponential nonlinearities

Exactly Solvable and Integrable Systems 2012-08-15 v3 Mathematical Physics math.MP

Abstract

The group classification of a class of variable coefficient reaction-diffusion equations with exponential nonlinearities is carried out up to both the equivalence generated by the corresponding generalized equivalence group and the general point equivalence. The set of admissible transformations of this class is exhaustively described via finding the complete family of maximal normalized subclasses and associated conditional equivalence groups. Limit processes between variable coefficient reaction-diffusion equations with power nonlinearities and those with exponential nonlinearities are simultaneously studied with limit processes between objects related to these equations (including Lie symmetries, exact solutions and conservation laws).

Keywords

Cite

@article{arxiv.1111.5198,
  title  = {Extended group analysis of variable coefficient reaction-diffusion equations with exponential nonlinearities},
  author = {O. O. Vaneeva and R. O. Popovych and C. Sophocleous},
  journal= {arXiv preprint arXiv:1111.5198},
  year   = {2012}
}

Comments

27 pages, minor corrections

R2 v1 2026-06-21T19:39:51.673Z