NEWTON POLYGONS
Acknowledgements Introduction
Newton Polygons
Creation of Newton Polygons
Vertices and Faces of Polygons
Tests for Points and Faces
Polynomials Associated with Newton Polygons
Finding Valuations of Roots of Polynomials from Newton Polygons
Using Newton Polygons to Find Roots of Polynomials over Series Rings
Operations not associated with Duval's Algorithm
Operations associated with Duval's algorithm
Roots of Polynomials
Bibliography
Introduction
Newton Polygons
Creation of Newton Polygons
NewtonPolygon(f) : RngMPolElt -> NwtnPgon
NewtonPolygon(f) : RngUPolElt -> NwtnPgon
NewtonPolygon(f, p) : RngUPolElt, RngOrdIdl -> NwtnPgon
NewtonPolygon(f, p) : RngUPolElt, PlcFunElt -> NwtnPgon
NewtonPolygon(C) : Crv -> NwtnPgon
NewtonPolygon(V) : SeqEnum -> NwtnPgon
DefiningPoints(N) : NwtnPgon -> SeqEnum
Example Newton_create-ex (H56E1)
Vertices and Faces of Polygons
Faces(N) : NwtnPgon -> SeqEnum
InnerFaces(N) : NwtnPgon -> SeqEnum
LowerFaces(N) : NwtnPgon -> SeqEnum
OuterFaces(N) : NwtnPgon -> SeqEnum
AllFaces(N) : NwtnPgon -> SeqEnum
Example Newton_faces-ex (H56E2)
Vertices(N) : NwtnPgon -> SeqEnum
InnerVertices(N) : NwtnPgon -> SeqEnum
LowerVertices(N) : NwtnPgon -> SeqEnum
OuterVertices(N) : NwtnPgon -> SeqEnum
AllVertices(N) : NwtnPgon -> SeqEnum
Example Newton_vertices-ex (H56E3)
EndVertices(F) : NwtnPgonFace -> SeqEnum
FacesContaining(N,p) : NwtnPgon,Tup -> SeqEnum
Example Newton_sp-vertices-ex (H56E4)
GradientVector(F) : NwtnPgonFace -> Tup
GradientVectors(N) : NwtnPgon -> [ Tup ]
Weight(F) : NwtnPgonFace -> RngIntElt
Slopes(N) : NwtnPgon -> SeqEnum
InnerSlopes(N) : NwtnPgon -> SeqEnum
Example Newton_grad-ex (H56E5)
Tests for Points and Faces
IsFace(N, F) : NwtnPgon,Tup -> BoolElt
IsVertex(N, p) : NwtnPgon,Tup -> BoolElt
IsInterior(N,p) : NwtnPgon,Tup -> BoolElt
IsBoundary(N, p) : NwtnPgon,Tup -> BoolElt
IsPoint(N,p) : NwtnPgon,Tup -> BoolElt
Polynomials Associated with Newton Polygons
HasPolynomial(N) : NwtnPgon -> BoolElt
Polynomial(N) : NwtnPgon -> RngElt
ParentRing(N) : NwtnPgon -> Rng
IsNewtonPolygonOf(N, f) : NwtnPgon, RngElt -> BoolElt
FaceFunction(F) : NwtnPgonFace -> RngElt
IsDegenerate(F) : NwtnPgonFace -> BoolElt
IsDegenerate(N) : NwtnPgon -> BoolElt
IsNondegenerate(F) : NwtnPgonFace -> BoolElt
IsNondegenerate(N) : NwtnPgon -> BoolElt
Finding Valuations of Roots of Polynomials from Newton Polygons
ValuationsOfRoots(f) : RngUPolElt -> [ < RngIntElt, RngIntElt > ]
ValuationsOfRoots(f, p) : RngUPolElt, RngIntElt -> [ < RngIntElt, RngIntElt > ]
Using Newton Polygons to Find Roots of Polynomials over Series Rings
SetVerbose("Newton", v) : MonStgElt, RngIntElt ->
Operations not associated with Duval's Algorithm
PuiseuxExpansion(f, n) : RngUPolElt, RngIntElt -> SeqEnum[RngSerPuisElt]
ExpandToPrecision(f, c, n) : RngUPolElt, RngSerElt, RngIntElt -> RngSerElt
ImplicitFunction(f, d, n) : RngUPolElt, RngIntElt, RngIntElt -> RngSerElt
Example Newton_poly-ops-ex (H56E6)
IsPartialRoot(f, c) : RngUPolElt, RngSerElt -> BoolElt
IsUniquePartialRoot(f, c) : RngUPolElt, RngSerElt -> BoolElt
Example Newton_pol-is (H56E7)
PuiseuxExponents(p) : RngSerElt -> SeqEnum
PuiseuxExponentsCommon(p, q) : RngSerElt, RngSerElt -> SeqEnum
Example Newton_exps (H56E8)
Operations associated with Duval's algorithm
DuvalPuiseuxExpansion(f, n) : RngUPolElt, RngIntElt -> SeqEnum
ParametrizationToPuiseux(T) : Tup -> SeqEnum
PuiseuxToParametrization(S) : RngSerElt -> Tup
Example Newton_duval-ex (H56E9)
Roots of Polynomials
Roots(f) : RngUPolElt -> [<RngSerElt, RngIntElt>]
HasRoot(f) : RngUPolElt -> BoolElt, RngSerElt
Example Newton_roots-ex (H56E10)
Bibliography
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