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See the below examples that illustrate that charpoly(A), where A is over a number field, currently totally
sucks. This has very bad implications for modular forms computations. Even switching to u…
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Hi there,
When I followed the "training_non_default_regression_models" tutorial and sample data as below, I encountered errors as shown.
Would you mind helping me to fix the issue in R environm…
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1. The functions save/load do not save correctly if the ground field was a cyclotomic field.
```
julia> K,ζ=cyclotomic_field(6)
(Cyclotomic field of order 6, z_6)
julia> x=ζ+1
z_6 + 1
ju…
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I'm using the binary distribution of sage 7.1 (64 bit) on Ubuntu 14.04: http://mirrors.mit.edu/sage/linux/64bit/sage-7.1-Ubuntu_14.04-x86_64.tar.bz2
It seems that the `relocate-once.py` script does…
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I have just bought a new mac (MacBook Air M2 13' 2022), and tried to install Macaulay2 using homebrew, as recommended in the M2 web page. My laptop came with Monterey OS, and since it was not working,…
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As reported in [#34537 comment:145](https://github.com/sagemath/sage/issues/34537#comment:145), the following code fails with a `PariError`:
```sage
sage: GF(41^16).inject_variables()
Defining z16
…
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`Parent.discover_coerce_map_from` used to always give priority to coercions that start with applying an embedding over those provided by `_coerce_map_from_`. This leads to coercion failures such as …
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貼吧活動:(請查閱 [SARS-CoV-2 Timeline by 2020.02.21](https://github.com/agorahub/_meta/blob/agoran/theagora/sari/Memorandum_2020-02-21_SARS-CoV-2-Timeline_Nathan.pdf?raw=true), by Nathan :cloud: )
- Colla…
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similar to #23771
plus full pep8 cleanup in stream.py
CC: u/chapoton/34709
Component: **refactoring**
Author: **Frédéric Chapoton**
Branch/Commit: **[`3b1adb8`](https://github.com/sagemath/sag…
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Modules over integral domain lack basic functionality:
```
sage: S. = PolynomialRing(QQ)
sage: A = S**2
sage: A
Ambient free module of rank 2 over the integral domain Multivariate Polynomial Ring i…