Opened 7 years ago

Closed 7 years ago

#16292 closed enhancement (fixed)

Implement is_simply_laced() for CartanMatrix and a default folding for type A1 affine

Reported by: tscrim Owned by: sage-combinat
Priority: major Milestone: sage-6.4
Component: combinatorics Keywords: Cartan matrix, simply-laced
Cc: sage-combinat, bsalisbury1 Merged in:
Authors: Travis Scrimshaw Reviewers: Ben Salisbury
Report Upstream: N/A Work issues:
Branch: 9a06866 (Commits, GitHub, GitLab) Commit: 9a068662ab96768608e0d8433df11fbc350af9b7
Dependencies: Stopgaps:

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Description

Because it's good to have a direct check on the Cartan matrix and because type A1(1) is not simply-laced.

Change History (5)

comment:1 Changed 7 years ago by tscrim

  • Status changed from new to needs_review

comment:2 Changed 7 years ago by vbraun_spam

  • Milestone changed from sage-6.2 to sage-6.3

comment:3 Changed 7 years ago by bsalisbury1

  • Reviewers set to Ben Salisbury
  • Status changed from needs_review to positive_review

comment:4 Changed 7 years ago by vbraun_spam

  • Milestone changed from sage-6.3 to sage-6.4

comment:5 Changed 7 years ago by vbraun

  • Branch changed from public/combinat/A1_folding_CM_is_sl_check to 9a068662ab96768608e0d8433df11fbc350af9b7
  • Resolution set to fixed
  • Status changed from positive_review to closed
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