Source-pinned research

Research proof index

Search theorem names, mathematical ideas, modules, topics, projects, and role-labelled researchers. Open a result for its complete indexed Lean declaration and source record.

This index contains 22 research declarations. Search 10,000 more complete Mathlib declarations.

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Project-declaredLean 4.32.0-rc1

Surrounds eventually surrounds

Loop.Surrounds.eventually_surrounds

Plain-language statement

This is only a stepping stone potentially useful for SurroundingFamily.surrounds_of_close, but not needed by itself.

topologydifferential geometryhomotopy

Source project: Sphere eversion

Person-level attribution pending.

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Project-declaredLean 4.32.0-rc1

One Jet Bundle model space chart At

oneJetBundle_model_space_chartAt

Plain-language statement

In the OneJetBundle to the model space, the charts are just the canonical identification between a product type and a bundle total space type, a.k.a. Bundle.TotalSpace.toProd.

topologydifferential geometryhomotopy

Source project: Sphere eversion

Person-level attribution pending.

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Project-declaredLean 4.32.0-rc1

Cont MDiff update

OpenSmoothEmbedding.contMDiff_update

Project documentation

This is lemma lem:smooth_updating in the blueprint.

topologydifferential geometryhomotopy

Source project: Sphere eversion

Person-level attribution pending.

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Project-declaredLean 4.32.0-rc1

Dist update

OpenSmoothEmbedding.dist_update

Plain-language statement

This is lem:dist_updating in the blueprint.

topologydifferential geometryhomotopy

Source project: Sphere eversion

Person-level attribution pending.

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