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[Merged by Bors] - feat(algebraic_geometry): comap of surjective homomorphism is closed embedding#15291
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[Merged by Bors] - feat(algebraic_geometry): comap of surjective homomorphism is closed embedding#15291
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Thanks for all the comments! Co-authored-by: Johan Commelin <johan@commelin.net> Co-authored-by: tb65536 <tb65536@users.noreply.github.com>
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Co-authored-by: Johan Commelin <johan@commelin.net>
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Co-authored-by: tb65536 <tb65536@users.noreply.github.com>
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…embedding (leanprover-community#15291) The comap of a surjective homomorphism is a closed embedding between the Zariski spectra. Co-authored-by: Jake Levinson @jakelev Co-authored-by: Jake Levinson <levinson.jake@gmail.com>
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The comap of a surjective homomorphism is a closed embedding between the Zariski spectra.
Co-authored-by: Jake Levinson @jakelev
Our first contribution to Mathlib ever (and my first pull request ever), written at Lean for the Curious Mathematician 2022 @ ICERM. Zulip chat.