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Add support for representation theory of finite semigroups. Quite some
stuff is available in the sage-combinat queue.
* #18230: basic hierarchy of categories for representations of monoids, lie alg…
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[**Note**, _I no longer think this original issue description is a good idea, but leaving it here for context. Read all the way through the comments below to see how my thinking has changed_.]
Rig…
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In Scala it looks like this:
```scala
sealed trait Point2D
case class Cartesian2(x: Double, y: Double) extends Point2D
case class Polar2(r: Double, theta: Double) extends Point2D
sealed trait…
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A bunch of tutorial and demos were written at the occasion of
Sage(-Combinat) days and gathered in a patch on the Sage-Combinat
queue.
The purpose of this ticket is to make this patch into a branch…
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Show got complicated because it tried to do too much. It can generate `string`, `list ascii`, etc, any monoid with an injection from ASCII. This means that debugging instances is hard.
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Semigroup/Monoid.plus works one at a time, sumOption can do big optimizations for sequences. Strongly prefer to use sumOption when adding a sequence.
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With @amahboubi, @CohenCyril and @Sobernard we had a discussion about multivariate polynomials at Dagstuhl 18341. I'm creating an issue to keep a trace of our conclusions. Please feel free to amend …
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When typing out the sequence `
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Current approach are not suitable for more general algebras:
1. Lattice consists of two semigroups, their operators have very similiar properties to each other and should not be assumed as additive…
ghost updated
7 years ago
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```
Traceback (most recent call last):
File "./Scripts/build.py", line 46, in
option('Squeeze', 'Squeezed capitals with diacritics', SwapLookup("ss14"))
File "/data/Scripts/fontbuilder.py", l…