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feat(QM): Add radius operator limits#1024

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jstoobysmith merged 5 commits intoleanprover-community:masterfrom
gloges:radius-limits
Apr 6, 2026
Merged

feat(QM): Add radius operator limits#1024
jstoobysmith merged 5 commits intoleanprover-community:masterfrom
gloges:radius-limits

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@gloges gloges commented Apr 5, 2026

Adds lemmas which relate radiusRegPowOperator to radiusPowOperator as the regulator around x = 0 is removed.
These are point-wise limits, but when used in conjunction with radiusPowOperator_apply_memHS (c.f. #1014) one is able to determine if $(|x|^2 + \epsilon^2)^{s/2} \psi$ remains square-integrable in the strict limit $\epsilon \to 0$.

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gloges commented Apr 5, 2026

t-quantum-mechanics

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gloges commented Apr 5, 2026

RFC

@github-actions github-actions bot added t-quantum-mechanics Quantum mechanics RFC Request for comment labels Apr 5, 2026
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We renamed ./PhysLean to ./Physlib which is why there is a merge conflict on this PR now. If you could fix it, that would be great, but if you need help feel free to let me know.

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gloges commented Apr 6, 2026

Thanks, all merged.

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Approved - many thanks. Will merge shortly

@jstoobysmith jstoobysmith added ready-to-merge This PR is approved and will be merged shortly and removed RFC Request for comment labels Apr 6, 2026
@jstoobysmith jstoobysmith merged commit 93bcd73 into leanprover-community:master Apr 6, 2026
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@gloges gloges deleted the radius-limits branch April 7, 2026 00:16
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ready-to-merge This PR is approved and will be merged shortly t-quantum-mechanics Quantum mechanics

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