2.12.1 Commands and Functions for IDEAL |
AllReducedGroebnerBases | all reduced Groebner bases of an ideal |
BBasis5 | Border Basis of zero dimensional ideal |
BettiDiagram | the diagram of the graded Betti numbers |
BettiMatrix | the matrix of the graded Betti numbers |
colon | ideal or module quotient |
ComputeElimFirst | ComputeElimFirst |
Depth | Depth of a module |
elim | eliminate variables |
EquiIsoDec | equidimensional isoradical decomposition |
FrbAlexanderDual | Alexander Dual of monomial ideals |
FrbAssociatedPrimes | Associated primes of monomial ideals |
FrbIrreducibleDecomposition | Irreducible decomposition of monomial ideals |
FrbMaximalStandardMonomials | Maximal standard monomials of monomial ideals |
FrbPrimaryDecomposition | Primary decomposition of monomial ideals |
GBasis | calculate a Groebner basis |
GBasisTimeout | compute a Groebner basis with a timeout |
GenRepr | representation in terms of generators |
gens | list of generators of an ideal |
gin | generic initial ideal |
HColon | ideal or module quotient |
HilbertFn | the Hilbert function |
HilbertSeries | the Hilbert-Poincare series |
homog | homogenize with respect to an indeterminate |
HSaturation | saturation of ideals |
InitialIdeal | Initial ideal |
intersection | intersect lists, ideals, or modules |
IntersectList | intersect lists, ideals, or modules |
InverseSystem | Inverse system of an ideal of derivations |
IsContained | checks if A is Contained in B |
IsElem | checks if A is an element of B |
IsHomog | test whether given polynomials are homogeneous |
IsIn | check if one object is contained in another |
IsInRadical | check if a polynomial (or ideal) is in a radical |
IsLexSegment | checks if an ideal is lex-segment |
IsMaximal | maximality test |
IsOne | test whether an object is one |
IsPrimary | primary test |
IsStable | checks if an ideal is stable |
IsStronglyStable | checks if an ideal is strongly stable |
IsZero | test whether an object is zero |
IsZeroDim | test whether an ideal is zero-dimensional |
JanetBasis | the Janet basis of an ideal |
LexSegmentIdeal | lex-segment ideal containing L, or with the same Hilbert fn as I |
LF | the leading form of a polynomial or an ideal |
LT | the leading term of an object |
MayerVietorisTreeN1 | N-1st Betti multidegrees of monomial ideals using Mayer-Vietoris trees |
MinGens | list of minimal generators |
minimalize | ideal, submodule with minimal generators |
minimalized | ideal, submodule with minimal generators |
MinPowerInIdeal | the mininum power of a polynomial is an ideal |
MinSubsetOfGens | list of minimal generators |
MonsInIdeal | ideal generated by the monomials in an ideal |
NewQuotientRing | create a new quotient ring |
NF | normal form |
NumGens | number of generators |
operators, shortcuts | Special characters equivalent to commands |
poincare [OBSOLESCENT] | [OBSOLESCENT] the Hilbert-Poincare series |
PrimaryDecomposition | primary decomposition of an ideal |
PrimaryDecomposition0 | primary decomposition of a 0-dimensional ideal |
PrimaryDecompositionGTZ0 | primary decomposition of a 0-dimensional ideal |
PrimaryHilbertSeries | primary |
PrintBettiDiagram | the diagram of the graded Betti numbers |
PrintBettiMatrix | print the matrix of the graded Betti numbers |
product | the product of the elements of a list |
QuotientBasis | vector space basis for zero-dimensional quotient rings |
QZP | change field for polynomials and ideals |
radical | radical of an ideal |
RadicalOfUnmixed | radical of an unmixed ideal |
ReducedGBasis | compute reduced Groebner basis |
reg | Castelnuovo-Mumford regularity of a module |
res | free resolution |
RingOf | the ring of the object |
RingsOf | list of the rings of an object |
saturate | saturation of ideals |
sum | the sum of the elements of a list |
syz | syzygy modules |
SyzOfGens | syzygy module for a given set of generators |
TgCone | tangent cone |
toric | saturate toric ideals |
UniversalGroebnerBasis | universal Groebner basis of the input ideal |
ZPQ | change field for polynomials and ideals |