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Higher Dimensional Asymptotic Cycles
Published online by Cambridge University Press: 20 November 2018
Abstract
Given a $p$-dimensional oriented foliation of an
$n$-dimensional compact manifold
${{M}^{n}}$ and a transversal invariant measure
$\tau$, Sullivan has defined an element of
${{H}_{p}}\left( {{M}^{n}},\,R \right)$. This generalized the notion of a
$\mu$-asymptotic cycle, which was originally defined for actions of the real line on compact spaces preserving an invariant measure
$\mu$. In this one-dimensional case there was a natural 1–1 correspondence between transversal invariant measures
$\tau$ and invariant measures
$\mu$ when one had a smooth flow without stationary points.
For what we call an oriented action of a connected Lie group on a compact manifold we again get in this paper such a correspondence, provided we have what we call a positive quantifier. (In the one-dimensional case such a quantifier is provided by the vector field defining the flow.) Sufficient conditions for the existence of such a quantifier are given, together with some applications.
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- Copyright © Canadian Mathematical Society 2003
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