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In the later PRs (#4297, #4430) for this series of definitions, I had suggestions that would apply equally to the previous files in the series (#4077, #4079, #4041). These should be fixed in one PR ac…
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Hey guys!! @ulthiel @fingolfin
I'm Rex from ECNU. I'd like to add the Universal Enveloping algebra to JuLie, but I need some advice before starting. Hope you are interested in this.
## Background…
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For parents in the category `FiniteDimensionalLieAlgebrasWithBasis` over some non-fields, e.g. `ZZ` or `Integers(n)` for `n` non-prime, attempting to construct the universal enveloping algebra cause…
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There are lot's of universal properties in the algebra part of the library and we often use easy consequences of those, e.g. uniqueness of universal things. Unfortunately, it is not possible to use a …
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### Steps To Reproduce
```
R. = FreeAlgebra(QQ, 3)
P=R.g_algebra(relations={},order='lex')
P.inject_variables() #makes variables x,y,z available to this method
P.is_commutative()
print([x*y-y*…
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Running the usual pdflatex+biber loop on
```
\documentclass[natbib=false]{acmart}
\usepackage{filecontents}
\begin{filecontents}{\jobname.bib}
@book{Graetzer-UniversalAlgebra,
author = {Geor…
ghost updated
4 years ago
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theorem 6.2.2 gives a sufficient condition for the existence of a universal (categorical) scheme quotient by an equivalence relation. Remark 6.2.6 states that this quotient is also universal in the ca…
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**Why do I even think it is necessary to maintain order?**
This matches the definition of dataframes from [the article](https://arxiv.org/pdf/2001.00888). If we take the approach of defining based …
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Currently, the engine only supports a variant of long algebraic notation used by the [XBoard/WinBoard protocol](https://en.wikipedia.org/wiki/Chess_engine#Interface_protocol)/[Universal Chess Interfac…