Returns true if t is the F-pure threshold, otherwise it returns false. If Origin is true, it only checks it at the homogeneous maximal ideal.
The options are the same as in compareFPT.
i1 : R = ZZ/11[x,y]; |
i2 : f = x^3+y^2; |
i3 : isFPT(9/11,f) o3 = true |