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Questions about the group of isometries of a metric space, in particular, a Riemannian manifold.

2 votes
0 answers
74 views

Decompositions of groups and the existence of apartments

Let $X$ be an affine building and $G$ a group with isometric action on $X$. For any non-empty subset $\Omega$ of $X$, we denote by $P_{\Omega}$ the fixer of $\Omega$. Similarly, for any sector $\mathf …
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