Okay, I now have the right url's on http://sagecell.lacim.uqam.ca/ .
Anyhow, I still don't have the cell if I am accessing the page from
the web. Might there still be something wrong the the apache
configuration?
Comparing aleph.sagemath.org and sagecell.lacim.uqam.ca, I see that
inside
Comparing aleph.sagemath.org and sagecell.lacim.uqam.ca, I see that
inside embedded_sagecell.js, the url's are still wrong... Do you have
an idea how to get them right?
Okay, I got it running... we had to set ProxyPreserveHost On in order
to get the url's get properly...
Thanks again for all
Hi --
I have a question on proper documentation:
Hugh and I are currently finalizing the QuiverMutationType and have
the following problem: the file is organized similarly to CartanType,
so we have a factory delegating the work to reducible or irreducible
classes, or giving samples. In
But come on Just look at that !!!
sage: P = Poset( (range(len(p)), comparison) )
What happens if you add facade=True ?
sage: P = Poset( (range(len(p)), comparison), facade=True )
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Then just do the sage -i
http://sage.math.washington.edu/home/jason/sagecell-0.9.0.spkg step
again.
It seemed to be installing now, but when running sage ./start_device.py, I
get the following error with ssh:
stumpc5@stumpc5:~/progs/sage-5.0.rc0/devel/sagecell$ sage ./start_device.py
It seemed to be installing now, but when running sage ./start_device.py, I
get the following error with ssh:
Okay, I am slowly moving forward: I had not installed openssh-server...
Now, I get the following error message:
stumpc5@stumpc5:~/progs/sage-5.0.rc0/devel/sagecell$ sage
This indicates that the patches to Sage did not apply successfully. Can
you check those?
thanks for your replies!
the error message has gone after reimporting the patches and building sage.
Nevertheless, I still don't get the cell running:
1. The device seems to be starting somehow:
That's not an error message. That's a log message saying your browser is
requesting output.
Thanks for your support - after I restarted both processes, it finally
worked! my next step is to apply make this work on top of an applied
combinat queue... (and then, on a mac machine, but I guess
There was still an issue upon running Sage. Travis: I temporarily
disabled your patch altogether, because it was conflicting with
another one.
you guys are still working? Pas mal!
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Salut --
I just got up, and would push the base ring change for root / weigth /
ambient spaces.
But somehow, my patch has tons of doctest failures due to
sage: ct = CartanType(A1)
sage: P = ct.root_system().root_space()
sage: X = TestSuite(P)
sage: X.run()
Failure in
Hi Viviane,
This type of thing just broke my entire patch on multivariate
polynomials. I had to fix it by changing the field to ZZ or QQ but I
wonder why the default field has been changed...
sorry for that!
the reason is that I implemented non-crystallographic root systems and
reflection
Hi --
# follow the instructions on trac #11080 to install the new notebook, then:
sage -i http://sage.math.washington.edu/home/jason/sagecell-0.9.0.spkg
I just tried, and get a trivial reject in
sage/plot/plot.py:
Patching Sage
adding 01-sage-embedded.patch to series file
applying
Thanks for your quick reply!
What version of Sage are you using?
5.0.rc0
You just need to edit that file (plot/plot.py) and make that change
(delete the EMBEDDED_MODE line, and replace it with the from
sage.misc line).
You'll then need to apply the second patch:
* go to
here is an example (I think, it looks quite nice, doesn't it?)
sage: RS = CartanType(['A',2,1]).root_system().root_space()
sage: X = iter(TransitiveIdealGraded(attrcall(pred),RS.simple_roots()))
sage: i = 0
sage: while i 25:^Jx = X.next()^Jprint i,x^Ji += 1
:
0 alpha[0]
1
I upgraded a mac with XCode 3.? to 5.0.beta11. Running with a plain
new MoinMoin wiki works perfectly.
Okay, I traced down that I have to clean the cache of moinmoin (was that
obvious?). Does someone know how to do that from the command line using
sage?
sage -wiki wiki options
didn't
Hi,
I upgraded a mac with XCode 3.? to 5.0.beta11. Running with a plain
new MoinMoin wiki works perfectly. But I get the following error after
running with an old wiki (full of content) that does work in 4.7.2.
(okay that's not very new, but we had problems getting anything newer
running on a osx
Hi --
last week, Nicolas and I had a first look at how to get root systems for
non-crystallographic and infinite Coxeter groups.
Here is a basic problem of which I have either not yet understood its
reason in the implementation, or which might be done better:
- all constructions depend on a
The only reason why we don't have cartan matrices, as matrices, is
that we don't have (yet!) matrices with rows and columns indexed by
anything (instead of just 0...n-1); e.g. the analog for matrices of
CombinatorialFreeModule elements w.r.t. FreeModule elements.
What about allowing a
just the part to construct Dynkin diagrams from generalized Cartan
matrices became http://trac.sagemath.org/sage_trac/ticket/12882.
I will push this patch, and as well a first implementation of the rest
later today (though I find the organization still obscure, maybe we
can spend some time on
I will push this patch, and as well a first implementation of the rest
later today (though I find the organization still obscure, maybe we
can spend some time on clarifying things here).
Okay, a first draft seems to be working.
Here is again my users point of view of things that I would
I will push this patch, and as well a first implementation of the rest
later today (though I find the organization still obscure, maybe we
can spend some time on clarifying things here).
Okay, a first draft seems to be working.
I forgot to give a single example: The first CoxeterGroup is
group theorists would normally draw permutations as collection of directed
cycles, with labelled vertices.
I would somewhat also expect this to be the default drawing of a
permutation. Especially, when a permutation has a lot of fix points,
diagram presentations get kind of messy. Imagine the
Currently with sage-4.8, there is an import loop (see below). I just pushed
the following **TEMPORARY PATCH** which should fix it. By the way there
are a
*lot* of stuff that are imported by default in combinat and that we should
lazy_import. Please fix correctly.
+1
I should have fixed the
There indeed was a missing guard on that patch. Fixed.
Thanks Nicolas! We were also installing sage here on a computer this
morning, and thanks to your work it went well.
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Your patch trac_8327_universal_cyclotomic_field-cs.patch seems to break the
k-Schur function code.
Sorry if it does! I will look into it this evening. (I guess it has to
do with the cython addition of dictionaries, but I will see...
Best, Christian
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With the whole queue applied, I now cannot even start sage any longer.
we have actually the same import loop here...
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I guess that was my fault. Thanks for pointing it out - I will fix it and
create a ticket.
this is now http://trac.sagemath.org/sage_trac/ticket/12838, ready for review.
Best, Christian
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On Tue, Apr 10, 2012 at 2:12 AM, msh...@math.vt.edu wrote:
Nicolas,
The queue applies now :)
I am about to push another reviewer's patch which fixes some little
documentation compilation errors.
I'll fold it in. Thanks!
By the way: ``apply_demazure_simple_reflection`` does the same as
In other words, something like this:
sage: w.inversions()
[alpha[1], alpha[1] + alpha[2], alpha[2]]
sage: w.inversions(reflections=True)
[s1,s1*s2*s1,s2]
+1
what was again the point of having a list rather than a set?
Christian
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Indeed, in trac_12774-coxeter-ms.patch, there is already a Coxeter group
element method which returns inversions in reflection form:
sage: W = WeylGroup(['A',2],prefix=s)
sage: w = W.from_reduced_word([1,2,1])
sage: w.length_decreasing_reflections_right()
[s1, s1*s2*s1, s2]
If everyone
Hi,
I just pushed a version of my patch that takes into account
what you and Nicolas said.
Please proceed with the rebasing etc. Thanks for doing this!
I moved your patch coxeter_ms up above my patch on subword complexes,
where I need the Demazure product.
I had to do some rebasing, so
Hi Mark --
But the braid relation describes the long element of the
dihedral group generated by s1 and s2, so by the above length-additivity,
s1 (s2 s1 s2) will act the same way as s2 s1 s2.
Thanks for providing a detailed proof, it might be worth having a
reference in the source code, so
balanced parentheses
dyck paths
coin stacks
noncrossing matchings
permutations avoiding 231, 132, 312, 213
noncrossing partitions
nonnesting matchings
binary trees
Thanks for your reply -- can you provide a pointer where to find these
classes, this one
http://sagenb.org/home/pub/4609/
Hi there,
it would be great if you worked on that. some of it has already be
done in the patch trac_11571_catalan_objects-nm.patch
if I see it right, there are currently implemented
- Dyck paths
- Motzkin paths (which are not really counted by Catalan)
in this folder. I don't know how much
Hi --
as you are currently discussing root systems (including 6588, thanks a
lot for working on that!): here are some issues that made it very hard
for me to work with root systems for finite reflection groups:
# the first and the second seem to behave very differently:
sage: x =
Dear Salvatore,
sage: S=ClusterSeed(['E',8])
sage: T=S.principal_extension()
sage: T.b_matrix_class()
that was a bug in our code (that was there actually from the beginning
on). I hope I fixed it; I pushed the changes, could you please recheck
that you get the right
I updated the guards to mark the patches merged in the latest Sage
developers release 5.0.beta6. The queue seems to apply smoothly there,
and should still apply on vanilla 4.8, 5.0.beta5, and maybe 4.7.2.
Thanks Nicolas! I just compiled 5.0.beta6 last night and saw that the
queue does not
I think your patch does not apply any longer
I had the same problem already last Friday.
Best, Christian
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Hello,
the queue seems to be broken again on 4.8. . le_fix-as.patch doesn't
apply properly... or did I miss to do something?
Thanks, Christian
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Salut --
for your attantion. http://arxiv.org/pdf/1201.5566v1.pdf
If someone has the time to look into it: please, please report!
Best, Christian
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By the way, Christian, how did your workshop go?
pretty good, I think -- it was me and 7 others who had never used Sage
in any way before. And 5 of them were playing and testing things all
three days until the late evenings. And the last day, we started
implementing an algorithm to construct the
Hi Nicolas --
trac_9469-category-membership_without_arguments-nt.patch now gives a
non trivial reject in categories/category.py.
Best, Christian
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Sage version?
4.8
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It seems to conflict with Simon huge work on Categories. I'm waiting Christian
green light to investigate further.
Christian: are we allowed to rebase those patches ?
No uncommitted changes here, so go ahead -- thanks!
Best, Christian
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Dear all,
we are having a 3 days workshop on Sage and in particular on the
cluster algebra package therein next week in Hannover, Germany.
You find the necessary information at
http://wiki.sagemath.org/combinat/ClusterPackageDaysHannover. If you
are interested in attending (even though it is
Dear all,
we are having a 3 days workshop on Sage and in particular on the
cluster algebra package therein next week in Hannover, Germany.
You find the necessary information at
http://wiki.sagemath.org/combinat/ClusterPackageDaysHannover. If you
are interested in attending (even though it is
Hi Florent,
I don't know if its related, but I got segfault with automorphism group of a
graph if the import wasn't in the correct order. It may be completely wrong
but I got the impression that Cython isn't catching some mistake like import
loops leading to segfault. I'm sorry, I've to run
concrete_combinatorial_statistics_and_maps-cs.patch
in the sage-combinat queue breaks something in tableaux
I just saw that I forgot to refresh and push the fix...
It should be working now again.
Best, Christian
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Hi Anne --
I think your patch
concrete_combinatorial_statistics_and_maps-cs.patch
in the sage-combinat queue breaks something in tableaux
yep, you're right, thanks for pointing out. I will fix it hopefully
today in the train...
Best, Christian
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Hello --
I just tried to build 4.7.2 from scratch on OSX.
It failed with output
spkg/logs/boehm_gc-7.1.p7.log:sage: An error occurred while installing
boehm_gc-7.1.p7
spkg/logs/libgpg_error-1.6.p3.log:sage: An error occurred while
installing libgpg_error-1.6.p3
spkg/logs/readline-6.1.log:sage:
I really don't know how to get the XCode version in the command line,
but gcc is version 4.2.1 (isn't that part of XCode?).
Then, Mac OS X Server 10.7.2.
When running again, it only broke because of readline-6.1. Its log
file is
--
pythagore:sage-4.7.2 sage$ cat
Building Sage on OS X Lion is not yet supported; nobody has yet built
one that 100% works and passes all tests, though we're close.
Seehttp://trac.sagemath.org/sage_trac/ticket/11881
I see, thanks for the reply!
Fortunately, a binary built on 10.6 will work on 10.7.
if I download built
$ hdiutil attach /path/to/sage-...dmg
$ cd /Volumes/sage-...
There should be a folder sage there which you can copy to wherever you
want. Then
$ cd /Volumes
$ hdiutil detach sage-
to unmount the disk image.
Thanks, that worked!
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On my machine the following code creates a segfault if
finite_semigroup-nt.patch is applied and works if not.
sage: G = DiGraph()
sage: G.add_vertices([1, 6, 9])
sage: G.add_edges([(9, 1, None), (9, 6, None)])
sage: G.automorphism_group()
my machine returns
sage:sage:
Even with finite_semigroup-nt.patch applied ?
yes -- with the complete queue applied, actually.
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I am about to submit a workshop proposal to the American Institute of
Mathematics. The deadline is today, Nov. 1st (fortunately, US time).
The current title of the proposal is Sage and databases: L-functions
and combinatorial objects.
Thanks for mentioning findstat.org! Could you probably
Dear Bruce --
abort: no username supplied (see hg help config)
Abort
did you go through the prerequisites for installing the combinat
queue? You can find them here:
http://wiki.sagemath.org/combinat/MercurialStepByStep#Prerequisites
It looks like you forgot to create the file $HOME/.hgrc as
Does that mean it worked the first time? or do I need to uninstall and
start again?
to save the time building the new sage branch combinat, you can try using
sage -combinat update
(The reason is that the new branch was already successfully created
but the hg repository failed to be pulled.)
On Wed, Oct 12, 2011 at 09:11:48AM -0700, Bruce wrote:
Thanks! that appears to be resolved.
For the record: this prerequisite of having to create a .hgrc should
be resolved with sage 4.7.1.
that's right, but 4.7.1 doesn't build on Mac OS 10.7
http://trac.sagemath.org/sage_trac/ticket/11882
Salut --
okay, i will build alpha3 then and have a look.
It took me about 2 hours to solve the reject in posets.py, I now don't
know how to solve combinat/index.rst and poset_examples.py. So can
someone else take that over?
Best, Christian
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Hi Anne,
Thanks, but now I get another conflict (I am running sage-4.7.2.alpha3):
errors during apply, please fix and refresh
trac_10998-categories-posets-nt.patch
Maybe Nicolas can have a look at this, I do not run 4.7.2.alpha3, so I
don't really know what to do to solve that!
Best,
Hi Anne --
Adding the patch #10530 which was merged in sage-4.7.2.alpha2 to the
sage-combinat
queue, now gives a conflict with your patch
sorry that it took a while - i was waiting that someone solves the
reject in trac_10335-permgroup_domain-mh.patch. (It broke everywhere,
but I didn't
Salut Vincent --
I had to disable all patches inside iet and translation surfaces as
they didn't apply. Could you please have a look and solve it.
Thanks, Christian
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You did well. But everything applies fine at home (with sage-4.7.1).
Which version are you running ? I should have put some guards relative
to the version.
It didn't apply on 4.7 using -combinat update, I guess you need to put
some guards...
Thanks, Christian
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A plane tree is a tree with an embedding into the plane.
A planar tree is a tree which can be embedded in the plane. Every
tree is planar, so this term is offensive and redundant.
+1
Both notions are defined for graphs in exactly this way, see
http://en.wikipedia.org/wiki/Planar_graph.
But it still does not work due to an import loop also in #10963 (which
I couldn't disable as that would have created more conflicts...)
Which import loop? :-)
:-)
It is actually already fixed by the review of the cores patch I did
this morning. In the WeylGroups category, I moved an import
Yet another issue with sage -combiant update:
I just got into another issue with the combinat update: If someone
updates while the queue is broken, it stops somewhere in the middle of
the queue. If this person then waits until the queue is repaired, and
updates again, it doesn't apply the
Hi,
I do not manage to install combinat because I can't apply one of the
patches.
sage: version 4.7
failing patch: trac_10335-permgroup_domain-mh.patch
It works on other computers -- could you please try sage -combinat
install again, and completely post the output if the error still
occurs.
Salut Nicolas,
I had to make a rebase in your bigmess patch, sorry. Could you recheck
that I didn't do anything wrong...
Thanks, Christian
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Hi William,
I've started the virtual machine again, so it should be back in a few
minutes.
the status went from no response to Service Temporarily Unavailable,
or are the few minutes not yet over?
Best, Christian
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As a result, the combinat server is up.
Many thanks!
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For the record: The script should be
#!SAGEPATH
from sage.all import *
print RR(4)
as it takes only about 2 seconds to run, it solves the problem for me
for now -- even though the other way would be much more elegant!
Thanks again, christian
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Thanks for your replies -- the single cell server looks really great!
I should mention that things with the single cell server are still in a
bit of flux for how to set things up in javascript. Alex Kramer just
submitted some pretty big pull requests that reorganize things a bit and
add a
Hi,
I would like to be able to set up a web page which provides a
computation performed in Sage. Someone can type two numbers into boxes
and click a button, and then these numbers are send to the server (via
GET), and the server runs a sage command computing the sum of these,
and returns the
Hi Florent,
It has nothing to do with the version of sage you use but with the sage
combinat installation. You have to update it when someone (= me for this time)
prepare the new release and add a guard for a new sage version. In this case I
marked with the guard 4_7_2 the patch that has been
Hi,
It's great to have such a server. I'll forward the address to a
collaborator of mine. Feedback on how it scales is very welcome,
especially since we might set up such a server in Orsay as well.
The first day with around 15-25 users at the same time doing light
things was no problem for
Salut,
there is a conflict in trac_9128-sphinx_links_all-fh.patch. Could
someone (maybe Florent, if it is that patches fault) please solve it.
Thanks, Christian
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This package is still UNDER CONSTRUCTION, so it is definitely BUGGY,
and methods might CHANGE their behaviour or get RENAMED. But feel free
to play around! If you have any questions (or have further problems
with the installation), find bugs, or think behaviour is strange or
unexpected, or if
we now have a public sage notebook with the combinat queue applied
running on sage.lacim.uqam.ca. Everything seems to run smoothly, but
we are still in the TEST PHASE, so please NO SERIOUS RESEARCH so far,
accounts and worksheets MIGHT GET DELETED.
no one really answered here; does that mean
Hi William,
Thanks for your reply!
I'm just curious. What are the *drawbacks* of installing the combinat
queue?
Others might have better answers, here are some thoughts:
- the combinat queue is *not* stable
- some/most the code is not properly tested and/or even still in development
- the
Done :)
Thanks a lot!
Christian
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Salut Nicolas,
your patch 10963 brakes the queue, and I cannot disable it as 8678
doesn't apply properly then.
Thx for looking at it! Christian
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brake - break
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For
...only between 10963 and bigmess.
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Oops, sorry, and thanks for the report. It should be fixed now!
thanks!
Christian
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I could try to install the SelfDelete plugin but there is a ticket on plugin
trac page that is about adding support for trac 0.11 so there is a high
propability it will not work. (although on the ticket they don't mention what
breaks, or even if something breaks).
If people think it's a
Hi,
I wonder if there could be the option to delete (your own, unneeded)
files from trac tickets. This is particularly important as the
buildbot still gets totally confused if there are files which should
not be applied. Even if I tell the buildbot which files to apply.
Is there any reason
It does support this. It is a permission. For example, *I* can delete
any attached files, since I'm a TRAC_ADMIN. The default permissions
don't allow this, since deleting can't be undone. It would be
annoying if some jerk created an account, then deleted every single
Thanks for your replies -- I still feel like all the solutions are suboptimal.
Another thing I thought about would be to test to set up a public sage
notebook server containing everything we need. Then we would not need
anything but a stable server and properly working internet access...
Hi Hugh,
I can do some of this, though I'm not likely to have much to offer on
the technical end. I'll do #10349 to start with, and see how that
goes. I would point out that #10347 requires zero knowledge of
cluster algebras to check -- if there's anyone lurking here (like me)
who hasn't
with values being zero, slows down the process. I
will do some benchmarks in a quite minute...
Best, Christian
On Tue, Jun 7, 2011 at 7:17 AM, Christian Stump
christian.st...@lacim.ca wrote:
Hi,
The final fix will need discussion. In the mean time, just add a micro
patch just before yours to fix
Salut,
I just pushed a rebase of 10335, as I needed it after updating to
4.7.rc2.
On the way, I saw that sage doesn't start properly after 8703 is
applied (right before 10335).
Best, Christian
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Thanks. Please put back the guards appropriately for those still using
4.6.2.
the guards were
#+4_7 #-4_6_1 # needs rebase
I just deleted #+4.7. It applies properly 4.6.2, so I don't understand
what I should do for 4.6.2.
Thanks, Christian
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Hi Florent,
I tried hard to improve more the speed of your code and so far I failed:
I was again playing with numpy and cython. I cannot call
cimport cython
in a pyx file and then build sage, it says cython.pxd is missing. But
this is necessary to set boundscheck and wraparound to False (if
Christian: feel free to rebase that patch. In the mean time, it can be
disabled.
I rebased that patch, and as well the coxeter3 patch, as I am touching
weyl groups and coxeter groups again and again, this might happen
again...
Best, Christian
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Hi,
What's the problem with raising a NotImplementedError for a method
that is not implemented?
I don't have a problem with that, but I tent to prefer not to have
methods available (see below) which are not implemented anyway.
Why should one want that these methods are
deactivated? What
Some patches do not seem to apply. Christian, is this due to your recent
patch?
I bet it is, I gonna fix it...
Best, Christian
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I bet it is, I gonna fix it...
fixed...
Is it okay, if I move categories-root_system-6588.patch next to my
patch on reflection groups. Is anyone working on this patch?
Otherwise, I would try to probably try to put in before mine, so I can
work as well on those changes...
Thanks , Christian
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Salut,
suppose, there is an abstract method(optional=True) in a category, and
this method is not implemented in a concrete class using this
category. Is there a way to automatically deactivate all further
methods in the category using this abstract method?
The problem, I just encountered, is:
Salut,
Quick summary of our discussion with the GAP developers in Aachen:
They suggested the following benchmark, which is fairly typical of the
use cases around Coxeter groups and the like:
sage: W = gap3.ComplexReflectionGroup(14)
sage: UC = W.UnipotentCharacters()
sage:
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