Salut Nicolas,
I was just brainstorming of how to use PairwiseCompatibleSubsets to
construct not only antichains but also chains and multichains in
posets. It might be a good optional argument fixing a given size, or
fixing a given maximal size of subsets. chains of a given length then
become stra
> There is also a bug to fix in HasseDiagram. Maybe I add another patch
> after 10998, that's easier to review then...
I added another patch doing this after 10998, its number is 11187.
I like the facade option for posets, I use it in the finite reflection
group code for constructing the noncross
> Otherwise I would change this and add it to my review patch...
There is also a bug to fix in HasseDiagram. Maybe I add another patch
after 10998, that's easier to review then...
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Salut Nicolas,
I was just creating some lattices and saw that LatticePoset does not
take the same input as Poset. Have you touched the patch these days?
Otherwise I would change this and add it to my review patch...
Best, Christian
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On Mon, Apr 04, 2011 at 10:45:23AM -0400, Christian Stump wrote:
> Hi Nicolas,
>
> > thanks, Nicolas, for all the work! I gonna look at it as soon as I
> > find some time, say until the end of next week...
>
> after applying #10651 (empty set), #9065 (facade sets), #10938
> (Set-issubset), #8288
Hi Nicolas,
> thanks, Nicolas, for all the work! I gonna look at it as soon as I
> find some time, say until the end of next week...
after applying #10651 (empty set), #9065 (facade sets), #10938
(Set-issubset), #8288 (search forest), the poset patch #10998 has a
reject in categories/all.py, it d
> So that's a call for volunteers for reviewing it. Christian, Frédéric,
> are you still up for that? What's your time line?
thanks, Nicolas, for all the work! I gonna look at it as soon as I
find some time, say until the end of next week...
Best, Christian
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Dear Poset fans,
My patch is now under "needs review":
http://trac.sagemath.org/sage_trac/ticket/10998
So that's a call for volunteers for reviewing it. Christian, Frédéric,
are you still up for that? What's your time line?
Cheers,
Nicolas
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On Thu, Mar 24, 2011 at 09:24:19AM +0100, Martin Rubey wrote:
> Are libraries somewhat similar in spirit to the method .an_element?
Nothing has been formalized about them. But yeah, graphs, digraphs,
posets, species all have a role between "collection of examples"
(similar in spirit to an_element(
"Nicolas M. Thiery" writes:
> How does this all sound?
Very nice!
Martin
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Hi Poset fans,
I just recalled that there already exists two categories
PartialyOrderedSets and PartialyOrderedMonoids, with aliases
OrderedSets and OrderedMonoids. At this point, those categories are
stubs, and are not used anywere in the Sage code.
Since the terminology "Poset" (rather
Are libraries somewhat similar in spirit to the method .an_element?
Martin
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Hi Rob!
On Wed, Mar 23, 2011 at 09:47:34AM -0700, Rob Beezer wrote:
> The only advantage I could see to uppercase would be if every category
> *automatically* came with the infrastructure for collections.
This triggers my curiosity. Do you have some specific features you
would dream of ab
On Wed, Mar 23, 2011 at 12:54:13PM -0400, David Roe wrote:
> I have another little conflict in that the name Posets is, since
> recently, used for the library of posets:
>
> sage: Posets.ChainPoset(3)
> Finite lattice containing 3 elements
>
> very much like graphs
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