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 KASH3 Reference Manual
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Function

ParentRing ( newtgon N ) -> rng

Description

The parent ring of the polynomial used to define the N; an error if a polynomial was not used.

Examples

x_z3 := pAdicRing(3,20); x_z3x := PolynomialAlgebra(x_z3); x_f := 9*x_z3x.1^5+6*x_z3x.1^4+x_z3x.1^2+27*x_z3x.1+3; x_nf := NewtonPolygon(x_f); ParentRing(x_nf);
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