Opened 2 years ago
Closed 2 years ago
#21285 closed defect (fixed)
change ring does not work for affine morphisms
Reported by: | bhutz | Owned by: | |
---|---|---|---|
Priority: | minor | Milestone: | sage-7.4 |
Component: | algebraic geometry | Keywords: | |
Cc: | gjorgenson | Merged in: | |
Authors: | Ben Hutz | Reviewers: | Grayson Jorgenson |
Report Upstream: | N/A | Work issues: | |
Branch: | 50d05de (Commits) | Commit: | 50d05de7b5c3c1e7dc134ad4c1548a9b0186fbbd |
Dependencies: | Stopgaps: |
Description
the following does not work
K.<a> = QuadraticField(-1) A.<x,y> = AffineSpace(K, 2) H = End(A) phi = H([x/y, y]) emb = K.embeddings(QQbar)[0] phi.change_ring(emb)
since the coordiante ring is a fraction field
Change History (5)
comment:1 Changed 2 years ago by
- Branch set to u/bhutz/t/21285
comment:2 Changed 2 years ago by
- Branch u/bhutz/t/21285 deleted
- Status changed from new to needs_review
comment:3 Changed 2 years ago by
- Branch set to u/bhutz/t/21285
- Commit set to 50d05de7b5c3c1e7dc134ad4c1548a9b0186fbbd
comment:4 Changed 2 years ago by
- Reviewers set to Grayson Jorgenson
- Status changed from needs_review to positive_review
Thanks for fixing this. Looks good to me.
comment:5 Changed 2 years ago by
- Branch changed from u/bhutz/t/21285 to 50d05de7b5c3c1e7dc134ad4c1548a9b0186fbbd
- Resolution set to fixed
- Status changed from positive_review to closed
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New commits:
21285: error in change_ring for affine morphisms