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faster Hochschild lattices #40400

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Merged
merged 1 commit into from
Jul 25, 2025
Merged

faster Hochschild lattices #40400

merged 1 commit into from
Jul 25, 2025

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fchapoton
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by being smarter about telling the covering relations

📝 Checklist

  • The title is concise and informative.
  • The description explains in detail what this PR is about.

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before:

sage: %timeit posets.HochschildLattice(8)
158 ms ± 2.11 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)

after:

sage: %timeit posets.HochschildLattice(8)
18.3 ms ± 80.3 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)

vbraun pushed a commit to vbraun/sage that referenced this pull request Jul 18, 2025
2c598de 
sagemathgh-40400: faster Hochschild lattices
    
by being smarter about telling the covering relations

### 📝 Checklist

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
    
URL: sagemath#40400
Reported by: Frédéric Chapoton
Reviewer(s):
@vbraun vbraun merged commit 912c282 into sagemath:develop Jul 25, 2025
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@fchapoton @vbraun @user202729