#19098: implement Taylor 2-graphs for U_3(q) and related srg's
-------------------------------------+-------------------------------------
Reporter: dimpase | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.9
Component: graph theory | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/dimpase/taylor2graphs | 773d10d2b417f72829fcf0556f2426bd02cd0efb
Dependencies: #18972, #18997, | Stopgaps:
#19099 |
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Changes (by dimpase):
* status: new => needs_review
Comment:
I don't grok that `**kwds` business; the following does not work:
{{{
diff --git a/src/sage/combinat/designs/twographs.py
b/src/sage/combinat/designs/twographs.py
index c86506b..d3b51c8 100644
--- a/src/sage/combinat/designs/twographs.py
+++ b/src/sage/combinat/designs/twographs.py
@@ -68,8 +68,7 @@ class TwoGraph(IncidenceStructure):
:mod:`~sage.combinat.designs.twographs` module.
"""
- def __init__(self, points=None, blocks=None, incidence_matrix=None,
- name=None, check=False, copy=True):
+ def __init__(self, check=False, **kwds):
r"""
Constructor of the class
@@ -86,9 +85,7 @@ class TwoGraph(IncidenceStructure):
sage: TwoGraph(p, check=True)
Incidence structure with 10 points and 60 blocks
"""
- IncidenceStructure.__init__(self, points=points, blocks=blocks,
- incidence_matrix=incidence_matrix,
- name=name, check=False, copy=copy)
+ IncidenceStructure.__init__(self, check=False, **kwds)
if check: # it is a very slow, O(|points|^4), test...
from sage.combinat.designs.twographs import is_twograph
assert is_twograph(self), "the structure is not a 2-graph!"
}}}
Any idea? Otherwise, the ticket is ready...
--
Ticket URL: <http://trac.sagemath.org/ticket/19098#comment:9>
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