#17225: Degrees of looped *immutable* graphs are wrong
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Reporter: | Owner:
kcrisman | Status: needs_review
Type: | Milestone: sage-6.4
defect | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: | 58cf24722664d1b299ab4de934455579125e3326
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/17225 |
Dependencies: |
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Comment (by kcrisman):
> HMmmmmm... Well, the thing is that it depends on what you want the
degree to be. If you want the degree of a vertex to be equal to the number
of edges incident to it, then it is correct.
>
> If you want the number of edges to be twice the sum of degrees, then it
is wrong.
I mostly want immutable and mutable graphs to have the same behavior.
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Ticket URL: <http://trac.sagemath.org/ticket/17225#comment:5>
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