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Binary systems in 2+1 dimensions

Mar. 07 - 14:30 - 2019

Speaker: Carsten Gundlach (University of Southampton)

Title: Binary systems in 2+1 dimensions

Abstract: Spacetimes representing point particles and black holes in 2+1-dimensional gravity with a negative cosmological constant can all be represented as cut-and-paste operations on 2+1-dimensional anti-de Sitter space. This means that processes like making a spinning black hole from two point particles colliding with an impact parameter can be described in closed form. I will review the geometry of this, much of it going back to the mid-90s, and maybe talk about my ongoing work.


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