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NoetherianOperators :: ring(DiffOp)

ring(DiffOp) -- get the ring associated to a differential operator

Synopsis

Description

Returns the ring in which the coefficients lie

i1 : R = QQ[x]

o1 = R

o1 : PolynomialRing
i2 : D = diffOp{x => 2*x^2}

       2
o2 = 2x dx

o2 : DiffOp
i3 : ring D

o3 = R

o3 : PolynomialRing

Caveat

If the DiffOp was created using diffOp(RingElement) (e.g. after running makeWeylAlgebra), the ring