de Sitter space
Concept
maximally symmetric Lorentzian manifold with positive cosmological constant
Mentioned in 3 videos
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Videos Mentioning de Sitter space
Joan Lasenby on Applications of Geometric Algebra in Engineering
Y Combinator
A type of spacetime geometry that is different from Euclidean geometry, relevant in cosmological research.
Leonard Susskind: Quantum Mechanics, String Theory and Black Holes | Lex Fridman Podcast #41
Lex Fridman
The type of spacetime geometry that describes our universe, characterized by positive curvature and exponential expansion due to dark energy. Its quantum mechanics are not well understood.
Andrew Strominger: Black Holes, Quantum Gravity, and Theoretical Physics | Lex Fridman Podcast #359
Lex Fridman
A type of positively curved spacetime, believed by astronomers to describe the future of our universe as it continues to expand due to dark energy/cosmological constant.