#19279: IncidenceStructure.is_generalized_quadrangle
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.9
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: u/ncohen/19279 | c26038e543830f388cdceafb139d33e5f28359cd
Dependencies: #19277 | Stopgaps:
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Comment (by ncohen):
> [...] and any two vertices x,y at distance
> i < n have c_j(x,y) = 1.
What the hell is this `c_j(x,y)`. Number of shortest paths? `:-/`
Come on, those definitions are not half as clear as those from wikipedia
or from Payne and Thas' book.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/19279#comment:17>
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