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• 19:43, 3 April 2026 Verbovet talk contribs created page Seminar talk, 15 April 2026 (Created page with "{{Talk | speaker = Konstantin Druzhkov | title = Invariant reduction for PDEs. IV: Symmetries that rescale geometric structures | abstract = For a system of differential equations and a symmetry, the framework of invariant reduction systematically computes how invariant geometric structures are inherited by the subsystem governing invariant solutions. In this setting, the reduction of structures invariant under a two-dimensional Lie algebra requires its commutativity....")