Affine higher order parallel hypersurfaces
Luc Vrancken (1988)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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Luc Vrancken (1988)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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Takashi Sano (1999)
Banach Center Publications
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We study affine invariants of plane curves from the view point of the singularity theory of smooth functions. We describe how affine vertices and affine inflexions are created and destroyed.
R. Niebergall, P.J. Ryan (1994)
Mathematische Zeitschrift
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Leichtweiss, Kurt (1999)
Beiträge zur Algebra und Geometrie
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Michał Sadowski (1990)
Colloquium Mathematicae
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Paweł Witowicz (1995)
Annales Polonici Mathematici
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For a submanifold of of any codimension the notion of type number is introduced. Under the assumption that the type number is greater than 1 an equivalence theorem is proved.
Steven Verpoort (2011)
Czechoslovak Mathematical Journal
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After having given the general variational formula for the functionals indicated in the title, the critical points of the integral of the equi-affine curvature under area constraint and the critical points of the full-affine arc-length are studied in greater detail. Notice. An extended version of this article is available on arXiv:0912.4075.
Nadjafikhah, Mehdi (2002)
Balkan Journal of Geometry and its Applications (BJGA)
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Paweł Urbański (2003)
Banach Center Publications
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An affine Cartan calculus is developed. The concepts of special affine bundles and special affine duality are introduced. The canonical isomorphisms, fundamental for Lagrangian and Hamiltonian formulations of the dynamics in the affine setting are proved.
Cruceanu, Vasile (2005)
Balkan Journal of Geometry and its Applications (BJGA)
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