On 2018-06-12 17:24, John Cremona wrote:
OK, but having an easy way to produce the above maps would be very
helpful.
Sure. They just wouldn't be *coercion* maps. Coercion maps should be
used with care, since they are used automatically. For example, as a
consequence of the bug in my previous
On 12 June 2018 at 15:24, Jeroen Demeyer wrote:
> Sometimes you start working on a ticket thinking "this is just a few hours
> of work" when it turns out to be a huge can of worms...
>
> Coercion for multi-variate polynomials might fall in this category. There
> are several strange things and bug
Sometimes you start working on a ticket thinking "this is just a few
hours of work" when it turns out to be a huge can of worms...
Coercion for multi-variate polynomials might fall in this category.
There are several strange things and bugs. The best example so far:
sage: R. = QQ[]
sage: QQ["
