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Resfix #2634

Merged
merged 6 commits into from
Aug 9, 2023
Merged

Resfix #2634

merged 6 commits into from
Aug 9, 2023

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jankoboehm
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Fixes free resolutions.

@ederc ederc mentioned this pull request Aug 7, 2023
@@ -6386,13 +6384,11 @@ function free_resolution(M::SubquoModule{<:MPolyRingElem};
singular_kernel_entry = Singular.Module(base_ring(singular_free_module),
[singular_free_module(repres(g)) for g in gens(kernel_entry)]...)

singular_kernel_entry.isGB = true
gbpres = Singular.std(singular_kernel_entry)
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Only fres and sres need a precomputed Gröbner basis of the input. Maybe we should not globally do this since other algorithms like mres will be added.

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OK will shift the line for future cases.

@jankoboehm jankoboehm marked this pull request as ready for review August 8, 2023 13:41
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@hannes14 hannes14 left a comment

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duplicate free_resolution in ModulesGraded around line 545

@wdecker wdecker merged commit 7b27899 into master Aug 9, 2023
8 of 12 checks passed
@wdecker wdecker deleted the resfix branch August 9, 2023 08:05
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4 participants