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• 21:23, 1 March 2022 Verbovet talk contribs deleted page Seminar talk, 2 March 2022 (content was: "{{Talk | speaker = Raffaele Vitolo | title = Projective geometry of homogeneous second order Hamiltonian operators | abstract = We prove the invariance of homogeneous second order Hamiltonian operators under the action of projective reciprocal transformations. That makes the operators classifiable using the known classification of trivectors in dimensions <math>\leqslant 9<...", and the only contributor was "Verbovet" (talk))