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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > What can holographic entanglement entropy teach us about general relativity?

## What can holographic entanglement entropy teach us about general relativity?Add to your list(s) Download to your calendar using vCal - Headrick, M (Brandeis University)
- Thursday 19 September 2013, 14:00-14:45
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Mathematics and Physics of the Holographic Principle The covariant holographic entanglement entropy formula proposed by Hubeny, Rangamani, and Takayanagi asserts that the entropy of a boundary region is given by the area of a certain extremal spacelike surface in the bulk. Unlike for more familiar objects like timelike geodesics and horizons, there are not yet many theorems about extremal spacelike surfaces in the general-relativity literature. However, based on considerations from quantum information theory, the HRT formula implies or suggests a large number of interesting general statements about such surfaces and their relation to the spacetime’s global causal structure. The effort to prove these novel conjectures has spurred significant recent developments in GR. I will explain the conjectures, their motivation, and the progress that has been made toward proving them. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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