Three lectures: Group Invariant Solutions to Differential Equations and Reduction of Variational Bicomplexes, Introduction to Variational Sequences, Geometric Aspects of Conservation Laws of Nonlinear Differential Equations.
Three lectures: Group Invariant Solutions to Differential Equations and Reduction of Variational Bicomplexes, Introduction to Variational Sequences, Geometric Aspects of Conservation Laws of Nonlinear Differential Equations. (en)