Structure Operations# Related Structures# Category(V): RngVal -> Cat# Parent(V): RngVal -> Pow# PrimeRing(V): RngVal -> RngVal# Center(V): RngVal -> RngVal# FieldOfFractions(V): RngVal -> Rng# Return field of fractions of the valuation ring \(V\), which is the rational field or the function field from which \(V\) was created. Numerical Invariants# Characteristic(V): RngVal -> RngIntElt#
