J. Korean Math. Soc. 2004; 41(4): 629-646
Printed July 1, 2004
Copyright © The Korean Mathematical Society.
Myung-Jun Choi, Dae Heui Park, and Dong Youp Suh
KAIST, Chonnam National University, KAIST
Let $G$ be a compact semialgebraic group and $M$ a semialgebraic $G$-set. We prove that there exists a semialgebraic slice at every point of $M$. Moreover $M$ can be covered by finitely many semialgebraic $G$-tubes. As an application we give a different proof that every semialgebraic $G$-set admits a semialgebraic $G$-embedding into some semialgebraic orthogonal representation space of $G$, which has been proved in [15].
Keywords: transformation groups, semialgebraic, slice, embedding
MSC numbers: 57Sxx, 14P10, 57S99, 57Q35
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