I have looked into some of the issues and TODOs discussed in #14711, and
put my thoughts under #37705. In particular, to merge `SchemeMorphism`
with `Morphism` (or at least make SchemeMorphism inherit from Morphism),
I think the coercion model should be tweaked, so opinions from experts
are
The Register journo analysis of the SNAFU:
https://www.theregister.com/2024/04/01/xz_backdoor_open_source/
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The following is giving me a headache. In a fresh session, do
sage: R. = InfinitePolynomialRing(SR)
sage: p = a[0].polynomial()
sage: R(p)
...
RuntimeError: Symbolic Ring still using old coercion framework
I tried all day to make sense of the element_constructor of the
InfinitePolynomialRIng
I'll give some comments on the first test below. I am not sure whether we should
continue the discussion here on the mailing list or whether we do it on a github
issue (in that case, please Cc dkrenn and myself (cheuberg)).
I also propose to discuss the issues one at a time and not combining
