O-极小结构中的Verdier分层和[WF]-分层
Verdier stratifications and [wf]-stratification in o-minimal structures
摘要:
证明了(R,+,.)上任意o-极小结构可定义的集合的Verdier分层的存在性.还证明了在(R,+,.)上的o-极小结构中Verdier条件(w)蕴涵Whitney条件(b).因此,惠特尼分层定理成立。给出了可定义在多项式有界o-极小结构中的函数的(wf)-层的存在性。
英文摘要:
We prove the existence of Verdier stratifications for sets definable in any o-minimal structure on (R, +, .). It is also shown that the Verdier condition (w) implies the Whitney condition (b) in o-minimal structures on (R, +, .). As a consequence the Whitney Stratification Theorem holds. The existence of (wf)-stratification of functions definable in polynomially bounded o-minimal structures is presented.
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