p-adic ultrametric

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NounEdit

p-adic ultrametric ‎(plural p-adic ultrametrics)

  1. (mathematics) The ultrametric with prime number p as parameter defined as  d_p (x, y) = |x - y|_p ; i.e., such that the distance between two rational numbers is equal to the p-adic absolute value of the difference between those two numbers.[1]

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ReferencesEdit

  1. ^ 2008, Jacqui Ramagge, Unreal numbers: The story of p-adic numbers