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On the stratification by orbit types II. (arXiv:1704.06121v1 [math.DS])

来源于:arXiv
When we have a proper action of a Lie group on a manifold, it is well known that we get a stratification by orbit types and it is known that this stratification satisfies the Whitney (b) condition. In a previous article we have seen that the stratification satisfies the strong Verdier condition. In this article we improve this result and obtain smooth local triviality. 查看全文>>