[Merged by Bors] - feat: differential of a local diffeomorphism is a continuous linear equivalence#8738
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[Merged by Bors] - feat: differential of a local diffeomorphism is a continuous linear equivalence#8738
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…rentials: - make variables implicit; - make more variables implicit and re-use some other variables.
Move Diffeomorph.toPartialDiffeomorph further down.
Touch up the docs; introduce PartialDiffeomorph.toLocalHomeomorph.
and PartialHomeomorph.continuous_{to,inv}Fun to continuousOn_{to,inv}Fun.
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urkud
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Apr 28, 2025
sgouezel
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May 7, 2025
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Thanks for the review comments; I have addressed them (hopefully) all. |
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✌️ grunweg can now approve this pull request. To approve and merge a pull request, simply reply with |
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Thanks for the quick turnaround! |
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…quivalence (#8738) With the `localInverse` definition, this is a straightforward argument using the chain rule. Co-authored-by: Junyan Xu <junyanxu.math@gmail.com> Co-authored-by: Michael Rothgang <rothgang@math.uni-bonn.de>
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…quivalence (#8738) With the `localInverse` definition, this is a straightforward argument using the chain rule. Co-authored-by: Junyan Xu <junyanxu.math@gmail.com> Co-authored-by: Michael Rothgang <rothgang@math.uni-bonn.de>
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…quivalence (leanprover-community#8738) With the `localInverse` definition, this is a straightforward argument using the chain rule. Co-authored-by: Junyan Xu <junyanxu.math@gmail.com> Co-authored-by: Michael Rothgang <rothgang@math.uni-bonn.de>
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With the
localInversedefinition, this is a straightforward argument using the chain rule.localInverseAPI)Unclear/open question: is there a better solution than these helper lemmas? The current approach feels unelegant.