Seminar talk, 28 September 2016

From Geometry of Differential Equations
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Speaker: Oleg Morozov

Title: Second deformed cohomologies of symmetry pseudogroups: their finite dimensionality and applications to coverings of differential equations

In the talk it will be shown that for some nonlinear partial differential equations the second deformed cohomology groups are finite dimensional. Also further examples of application of the above cohomologies to the covering problem for their PDEs will be given.