#11411: some q binomial coefficients should be zero
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Reporter: chapoton | Owner: sage-combinat
Type: defect | Status: needs_review
Priority: minor | Milestone:
Component: combinatorics | Keywords:
Work_issues: | Upstream: N/A
Reviewer: Florent Hivert | Author: Frédéric Chapoton
Merged: | Dependencies:
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Comment(by chapoton):
ok, I see that you have changed the q_binomial. The changes are ok for me.
By the way, one could also check that n is a positive integer in the
procedure qt-catalan-number, for coherence. What do you think ? I should
have made that myself before.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11411#comment:13>
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