Dear List,
I'm trying to substitute various expressions for the variables of
symmetric polynomials returned by
SymmetricFunctionAlgebra_generic(...).expand() but I can't figure out
how to ask Sage to replace these variables or coerce them to some
other polynomial ring. E.g.:
---
On Thu, Mar 19, 2009 at 05:23:07PM +, Martin Albrecht wrote:
> On Thursday 19 March 2009, David Madore wrote:
> > So, is there a way in Sage to pull back an ideal by a canonical map?
>
> Quotient rings are in a particularly bad shape in Sage, here's a hack:
>
> sag
Dear List,
I'm trying to do some algebraic geometrical / arithmetical computation
with Sage and I find myself stuck on the following dumb problem: if I
have an ideal J of a quotient ring R/I (where R is a polynomial ring
and I some ideal of it), I wish to construct the ideal of R (called
p^{-1}(J
