Curves in homogeneous spaces and their contact with 1-dimensional orbits
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Let alpha be a C(infinity) curve in a homogeneous space G/H. For each point x on the curve, we consider the subspace S(k)(alpha) of the Lie algebra G of G consisting of the vectors generating a one parameter subgroup whose orbit through x has contact of order k with alpha. In this paper, we give various important properties of the sequence of subspaces G superset of S(1)(alpha) superset of S(2)(alpha) superset of S(3)(alpha) superset of ... In particular, we give a stabilization property for certain well-behaved curves. We also describe its relationship to the isotropy subgroup with respect to the contact element of order k associated with alpha.
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Contact, Homogeneous space, Lie group, 1-parameter subgroup, Lie algebra
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Inglês
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Geometriae Dedicata. Dordrecht: Springer, v. 154, n. 1, p. 117-131, 2011.
