Hi Tom, Dan Bump, Dan Orr, Mark Shimozono and I will work on this patch during the Sage Days at ICERM. It is not yet close to its final form, so just disregard it for the moment. Everything is likely to change soon!
Best, Anne On 1/19/13 4:28 AM, tom d wrote: > There's been a change to the init function for the Iwahori Hecke Algebra that > causes the NilCoxeterAlgebra to fail. I _think_ this is happening in the > affine_iwahori_hecke_algebras.patch; the > nilcoxeter algebra is still working fine with combinat unapplied. > > There's an extra parameter (omega) in the IwahoriHecke Algebra now, and since > the NilCoxeter is calling the __init__ function directly, it's apparently > expected to provide a value for this new > parameter. I'm not terribly sure if it's better to change the IHA > constructor to not expect the omega, or to change the Nilcoxeter to provide a > value. > > Any thoughts? > > sage: W=WeylGroup(['A',5,1]) > sage: NilCoxeterAlgebra(W) > --------------------------------------------------------------------------- > TypeError Traceback (most recent call last) > > /home/kaibutsu/<ipython console> in <module>() > > /home/kaibutsu/sage-5.5/local/lib/python2.7/site-packages/sage/misc/classcall_metaclass.so > in sage.misc.classcall_metaclass.ClasscallMetaclass.__call__ > (sage/misc/classcall_metaclass.c:991)() > > /home/kaibutsu/sage-5.5/local/lib/python2.7/site-packages/sage/misc/cachefunc.so > in sage.misc.cachefunc.WeakCachedFunction.__call__ > (sage/misc/cachefunc.c:5077)() > > /home/kaibutsu/sage-5.5/local/lib/python2.7/site-packages/sage/structure/unique_representation.pyc > in __classcall__(cls, *args, **options) > 464 True > 465 """ > --> 466 instance = typecall(cls, *args, **options) > 467 assert isinstance( instance, cls ) > 468 if instance.__class__.__reduce__ == > UniqueRepresentation.__reduce__: > > > > /home/kaibutsu/sage-5.5/local/lib/python2.7/site-packages/sage/misc/classcall_metaclass.so > in sage.misc.classcall_metaclass.typecall > (sage/misc/classcall_metaclass.c:1350)() > > /home/kaibutsu/sage-5.5/local/lib/python2.7/site-packages/sage/algebras/nil_coxeter_algebra.pyc > in __init__(self, W, base_ring, prefix) > 63 self._base_ring = base_ring > 64 self._cartan_type = W.cartan_type() > ---> 65 IwahoriHeckeAlgebraT.__init__(self, W, 0, 0, base_ring, > prefix=prefix) > 66 > 67 def _repr_(self): > > TypeError: __init__() takes exactly 7 arguments (6 given) > > -- > You received this message because you are subscribed to the Google Groups > "sage-combinat-devel" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/sage-combinat-devel/-/qzJfyqJpvlkJ. > To post to this group, send email to sage-combinat-devel@googlegroups.com. > To unsubscribe from this group, send email to > sage-combinat-devel+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sage-combinat-devel?hl=en. -- Anne Schilling E-mail: a...@math.ucdavis.edu Professor Web: http://www.math.ucdavis.edu/~anne Department of Mathematics Office: MSB 3222 University of California Phone: (530) 554 2326 One Shields Ave Fax: (530) 752 6635 Davis, CA 95616 -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To post to this group, send email to sage-combinat-devel@googlegroups.com. To unsubscribe from this group, send email to sage-combinat-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sage-combinat-devel?hl=en.
