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Просмотр по автору "Malakhaltsev M."

Просмотр по автору "Malakhaltsev M."

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  • De Rham cohomology 
    Malakhaltsev M. (2008)
  • Differential complex associated to closed differential forms of nonconstant rank 
    Malakhaltsev M. (2006)
    In the present paper we construct a complex of sheaves associated to a closed differential form ω. We study this complex in case ω is a) a closed 1-form vanishing at an embedded submanifold, b) a symplectic structure with ...
  • Symmetries of sub-Riemannian surfaces 
    Arteaga J.; Malakhaltsev M. (2011)
    We obtain some results on symmetries of sub-Riemannian surfaces. In case of a contact sub-Riemannian surface we base on invariants found by Hughen [15]. Using these invariants, we find conditions under which a sub-Riemannian ...
  • The lie derivative and cohomology of G-structures 
    Malakhaltsev M. (1999)
    In [1], J.F. Pommaret constructed the so-called Spencer P-complex for a differential operator. Applying this construction to the Lie derivative associated with a general pseudogroup structure on a smooth manifold, he defined ...

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