arXiv · 1307.4903
We show that order-invariant injective maps on the noncompactly causal symmetric space $SO_0 (1,n)/SO_0 (1,n-1)$ belong to $O(1,n)^+$.
Nils Byrial Andersen, Michael G. Cowling. 2013-07-18. Rigidity of causal maps. https://arxiv.org/abs/1307.4903
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