de Sitter space

noun

Definition of de Sitter space

  1. :  the simplest hypothetical space-time that has positive curvature Those clues, in particular, may be applied to the most symmetric solution of Einstein's equations with positive cosmological constant and no matter—de Sitter space. — Thomas Banks, Physics Today, March 2004 — compare anti-de sitter space

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First Known Use of de sitter space

1988


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