Geometry of real grassmann manifolds. Parts I, II |
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Authors: | S E Kozlov |
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Abstract: | The paper deals with the properties of the exterior algebra ℝ(Λn) related to the Euclidean structure on ℝ(Λn) induced by the scalar product in ℝ(Λn). A geometric interpretation of inner multiplication for simple p-vectors is given. An invariant form of the Cartan criterion
for the simplicity of a p-vector is given. The Plücker model realizing the real Grassmann manifold as a submanifold of the
Euclidean space ℝ(Λn), and an isometry of this submanifold onto the classical Grassmann manifold with SO(n)-invariant metric are described. A
canonical decomposition of bivectors is given. Bibliography: 12 titles.
Translated from Zapiski Nauchnykh Seminarov POMI, Vol. 246, 1997, pp. 84–107.
Translated by N. Yu: Netsvetaev. |
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