*p*-adic ultrametric

## English[edit]

### Noun[edit]

** p-adic ultrametric** (

*plural*

**p-adic ultrametrics**)

- (mathematics) The ultrametric with prime number
*p*as parameter defined as ; 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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### References[edit]

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