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• 21:22, 19 March 2026 Verbovet talk contribs created page Seminar talk, 8 April 2026 (Created page with "{{Talk | speaker = Wijnand Steneker | title = On globally invariant Euler-Lagrange equations for curves | abstract = Invariant Lagrangians yield invariant Euler-Lagrange equations and local methods for computing these are well-established, starting with Anderson and Griffiths. We focus on global algebraic invariants, using an invariant version of variational bicomplex or, more generally, C-spectral sequence. One motivation is the question, posed by Kogan and Olver, whet...")