Mirror symmetry

The noun has one meaning:

Meaning #1: (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system
  Synonyms: parity, conservation of parity, space-reflection symmetry

Mirror symmetry may refer to:

• Mirror symmetry (string theory), a relation between two Calabi-Yau manifolds in string theory
• Homological mirror symmetry, a mathematical conjecture about Calabi-Yau manifolds made by Maxim Kontsevich
• Reflection symmetry, a geometrical symmetry with respect to reflection

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