There is a serious problem here. sage: type(RXY) <class 'sage.rings.polynomial.multi_polynomial_libsingular.MPolynomialRing_libsingular'>
The base ring of a Singular polynomial should a field. As 8 is not a prime number, RXY should not be a libsingular polynomial ring! -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/9334305b-5099-4b38-8aa3-f8c66d3441bdn%40googlegroups.com.