"The positive energy theorem was for half a century or more an open challenge to relativists. Many attempts were made to prove flat spacetime was stable, but none completely succeeded completely until a majestic tour de force of geometric reasoning of Shoen and Yau. This was followed two years later by a proof of Witten, which was as elegant as it was short. It is this proof of Witten’s that we take as a template... for the quantum theory."
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Physicists from the United StatesMacArthur FellowsNational Medal of Science laureatesScientists from BaltimoreFields Medalists
Original Language: English
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Sources
Lee Smolin, "Positive energy in quantum gravity" arXiv (Jun 10, 2014) arXiv:1406.2611v1
https://en.wikiquote.org/wiki/Edward_Witten
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Edward Witten
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