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[Merged by Bors] - feat(analysis/normed_space/triv_sq_zero_ext): exponential of dual numbers #18200
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By the way, for a general differentiable function |
I suspect that makes things worse not better, as I can't even talk about differentiability without having the right norm structure! |
This PR/issue depends on: |
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A few minor comments and golfs, but otherwise looks good to me.
looks good to me now maintainer merge |
🚀 Pull request has been placed on the maintainer queue by j-loreaux. |
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Thanks!
bors r+
…bers (#18200) In order for convergence to be well-defined, we put the product topology on `triv_zero_sq_ext R M` via its obvious internal representation as a product. [Zulip thread](https://leanprover.zulipchat.com/#narrow/stream/116395-maths/topic/Exponentials.20in.20seminormed.20algebras/near/321870256).
Pull request successfully merged into master. Build succeeded: |
In order for convergence to be well-defined, we put the product topology on
triv_zero_sq_ext R M
via its obvious internal representation as a product.Zulip thread.