The core of the elliptic-curve isogeny functionality in Sage is from
#5976 — almost 13 years old...

just broken in 9.7.b3

URL: https://trac.sagemath.org/34036
Reported by: chapoton
Ticket author(...

The goal of this ticket is to fix the bug I inadvertently introduced in
#33876: the test:
{{{
sa...

Re: https://groups.google.com/g/sage-devel/c/zhjl_j6j_Qc

These days, using a `SAGE_TMP` that by...

This patch addresses the issue raised in comment:15:ticket:7596.

(I am creating a new ticket fo...

We wish to add a function that returns the degree of an affine morphism
or an affine dynamical s...

This ticket adds the flag `polcast` to class `OrePolynomialRing`. It
defaults to `True`.

When t...

also fixing some lgtm warnings

and some code details

URL: https://trac.sagemath.org/33993
Repo...

URL: https://trac.sagemath.org/33992
Reported by: chapoton
Ticket author(s): Frédéric Chapoton
R...

Currently the `Subset_s.an_element()` method returns a different result
from the `Subset_s._an_e...

using the shorter `super()` syntax

URL: https://trac.sagemath.org/33987
Reported by: chapoton
T...

using the short syntax `super()`

URL: https://trac.sagemath.org/33985
Reported by: chapoton
Tic...

using the much better python3 syntax `super()`

URL: https://trac.sagemath.org/33984
Reported by...

We have:
{{{
sage: R.<x> = PolynomialRing(GF(7))
sage: print( (x-5).roots(multiplicities=False)[...

Include an example of how to use plethysm and tensor product of
symmetric functions in two sets ...

`Matrix0.get_is_zero_unsafe()`, and hence some other functions including
`Matrix.__bool__()` do ...