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SUMMARY:Quantum cryptographic insights into black holes - Renato Renner\, 
 ETH Zurich
DTSTART:20230302T141500Z
DTEND:20230302T151500Z
UID:TALK196003@talks.cam.ac.uk
CONTACT:Damian Pitalua-Garcia
DESCRIPTION:It from qubit — the slogan expresses the idea that informati
 on may play a crucial role in the foundations of physics. In this talk I w
 ill consider a particular branch of information theory\, quantum cryptogra
 phy\, and argue that it can provide useful insights into quantum gravity. 
 To illustrate this idea\, I will  explain how the quantum de Finetti theor
 em\, which originally was developed to enable security proofs of quantum k
 ey distribution\, yields answers to questions related to the Hawking radia
 tion emitted by black holes. (The talk is based on joint work with Jinzhao
  Wang\, arXiv:2110.14653). 
LOCATION:MR2
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