A discrete valuation on a field is a nontrivial function
such
that
exactly when
,
,
and
.
It is normalized if
.
The associated valuation ring is
, and its unique maximal ideal is
.
Discrete Valuation
See also
Additive Valuation, Discrete Valuation Ring, Local Field, Maximal Ideal, Valuation, Valuation RingExplore with Wolfram|Alpha
References
Serre, J.-P. Local Fields. New York: Springer-Verlag, 1979.Cite this as:
Weisstein, Eric W. "Discrete Valuation." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/DiscreteValuation.html