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Binomials :: isBinomial

isBinomial -- testing for unital binomial ideals

Synopsis

Description

i1 : R = QQ[x,y,z]

o1 = R

o1 : PolynomialRing
i2 : isBinomial ideal(x^2)

o2 = true
i3 : isBinomial ideal(x-y+z,z)

o3 = true
i4 : isBinomial ideal(x^3-x)

o4 = true
i5 : isUnital ideal (x-z,z-y)

o5 = true
i6 : isUnital ideal (x+z)

o6 = false
i7 : isUnital ideal (x^2)

o7 = true

See also

For the programmer

The object isBinomial is a function closure.