Hölder定理在1-流形解析同胚群中的应用
Some applications of Hölder's theorem in groups of analytic diffeomorphisms of 1-manifolds
摘要:
我们得到了将群嵌入1-流形的解析亚纯群的一个简单的障碍。利用这一点,我们对嵌入到$\mathrm{Diff}_{+}^{ω}(\mathbb{S}^1)$中的所有RAAG进行分类。我们还证明了分支群不嵌入到$\mathrm{Diff}_{+}^{ω}(\mathbb{S}^1)$中。
英文摘要:
We obtain a simple obstruction to embedding groups into the analytic diffeomorphism groups of 1-manifolds. Using this, we classify all RAAGs which embed into $\mathrm{Diff}_{+}^{ω}(\mathbb{S}^1)$. We also prove that a branch group does not embed into $\mathrm{Diff}_{+}^{ω}(\mathbb{S}^1)$.
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