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$$2+1$$-dimensional black holes with momentum and angular momentum. (English) Zbl 0962.83028
The author describes exact solutions of Einstein’s equations in $$2+1$$-dimensional anti-de Sitter spacetime, which contain an arbitrary number of black holes. The time-development of the exterior region of multi-black-holes is discussed, as well as the physical interpretation of some (mass-like or angular-momentum-like) parameters.

##### MSC:
 83C80 Analogues of general relativity in lower dimensions 83C57 Black holes
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##### References:
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