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• 18:34, 14 October 2025 Verbovet talk contribs created page Seminar talk, 17 December 2025 (Created page with "{{Talk | speaker = Evgeny Ferapontov | title = Involutive scroll structures on solutions of 4D dispersionless integrable hierarchies | abstract = A rational normal scroll structure on an (n+1)-dimensional  manifold M is defined as a field of rational normal scrolls of degree n-1 in the projectivised cotangent bundle PT*M. We show that geometry of this kind naturally arises on solutions  of various 4D dispersionless integrable hierarchies of  heavenly type equations....")