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Heuristic endomorphisms#2241

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JHanselman wants to merge 6 commits intomasterfrom
heuristic_endomorphisms
Open

Heuristic endomorphisms#2241
JHanselman wants to merge 6 commits intomasterfrom
heuristic_endomorphisms

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This adds code to heuristically compute homomorphisms between abelian varieties given by period matrices. It also improves the precision of the period matrix copmutations.

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codecov Bot commented Apr 20, 2026

Codecov Report

❌ Patch coverage is 80.69498% with 50 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.45%. Comparing base (0ee6a73) to head (754a315).
⚠️ Report is 8 commits behind head on master.

Files with missing lines Patch % Lines
src/RieSrf/HeuristicEndomorphisms.jl 81.45% 23 Missing ⚠️
src/RieSrf/Algebraization.jl 75.58% 21 Missing ⚠️
src/RieSrf/Auxiliary.jl 66.66% 5 Missing ⚠️
src/RieSrf/RiemannSurface.jl 93.75% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #2241      +/-   ##
==========================================
- Coverage   77.49%   77.45%   -0.05%     
==========================================
  Files         381      383       +2     
  Lines      120501   120738     +237     
==========================================
+ Hits        93384    93517     +133     
- Misses      27117    27221     +104     
Files with missing lines Coverage Δ
src/RieSrf.jl 100.00% <ø> (ø)
src/RieSrf/CPath.jl 83.73% <100.00%> (-0.14%) ⬇️
src/RieSrf/NumIntegrate.jl 82.38% <100.00%> (+0.22%) ⬆️
src/RieSrf/PeriodMatrix.jl 86.52% <100.00%> (+0.04%) ⬆️
src/RieSrf/RiemannSurface.jl 85.12% <93.75%> (+0.99%) ⬆️
src/RieSrf/Auxiliary.jl 86.23% <66.66%> (-10.52%) ⬇️
src/RieSrf/Algebraization.jl 75.58% <75.58%> (ø)
src/RieSrf/HeuristicEndomorphisms.jl 81.45% <81.45%> (ø)

... and 31 files with indirect coverage changes

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File not needed yet. Part of a different future PR.
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@simonbrandhorst simonbrandhorst left a comment

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Would you please add documentation to the new methods?

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3 participants