#18675: Add 'connected' as a class for graded Hopf algebras with basis.
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Reporter: kdilks | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.8
Component: algebra | Resolution:
Keywords: days65 | Merged in:
Authors: Jean-Baptiste | Reviewers: zabrocki
Priez | Work issues:
Report Upstream: N/A | Commit:
Branch: | beb4ae7e68bcd8a2ab1879bb300fecf2cada353f
public/ticket/18675 | Stopgaps:
Dependencies: |
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Comment (by zabrocki):
Some comments about this last push.
(a) side note: [https://groups.google.com/forum/?fromgroups#!topic/sage-
devel/JMlLXGDCAy4 I had issues with compiling and pushing on the same copy
of sage].
(b) I could not make the line `S(x) := -\sum_{x^L\neq x} S(x^L) \times
x^R` work so I changed it to `S(x) := -\sum_{x^L!=x} S(x^L) \cdot x^R`.
For some reason the latex interpreter does not recognize `\neq` or
`\times`...I fought with it for over an hour and just gave up.
(c) I was not able to make `\begin{dcases*}...\end{dcases*}` work so I
changed it to `\begin{cases}...\end{cases}`.
(d) When I added the example to the categories section of the reference
manual I noticed that the `finite_dimensional_algebras_with_basis` example
was not in the list so I added it as well.
(e) I changed the name of the example Hopf algebra from
`GradedConnectedHopfAlgebraOfInteger` to
`GradedConnectedCombinatorialHopfAlgebraWithPrimitiveGenerator`. We could
yet add an example of a `GradedConnectedTopologicalHopfAlgebra` to the
same file.
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Ticket URL: <http://trac.sagemath.org/ticket/18675#comment:20>
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