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Cohomological geometry of differential equations
December 19, 2018 19:20, Moscow, Independent University of Moscow, room 308
 


Lax representations and exotic cohomology of symmetry algebras of PDEs

O. I. Morozov

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Abstract: My talk will describe the technique of constructing Lax representations for partial differential equations via non-central extensions of their contact symmetry algebras. The examples will include Lax representations with non-removable parameters, two-component generalizations, and integrable hierarchies associated to some PDEs.

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