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Zero sets of Abelian Lie algebras of vector fields (1601.02992v1)

Published 12 Jan 2016 in math.DS

Abstract: Assume M is a 3-dimensional real manifold without boundary, A is an abelian Lie algebra of analytic vector fields on M, and X is an element of A. The following result is proved: If K is a locally maximal compact set of zeroes of X and the Poincar'e-Hopf index of X at K is nonzero, there is a point in K at which all the elements of A vanish.

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