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Degeneracy may refer to:


Biology and medicine[edit]


  • Degeneracy (mathematics), a limiting case in which a class of object changes its nature so as to belong to another, usually simpler, class
  • Degeneracy (graph theory), a measure of the sparseness of a graph
  • Degenerate form, bilinear form ƒ(x,y) on a vector space V is one such that the map from to (the dual space of ) given by is not an isomorphism
  • Degenerate distribution, the probability distribution of a random variable which only takes a single value
  • Degenerate conic, a conic (a second-degree plane curve, the points of which satisfy an equation that is quadratic in one or the other or both variables) that fails to be an irreducible curve
  • Degenerate dimension, a dimension key in the fact table that does not have its own dimension table, because all the interesting attributes have been placed in analytic dimensions. The term "degenerate dimension" was originated by Ralph Kimball

Quantum mechanics[edit]

Other uses[edit]

See also[edit]