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 591 research declarations. Search 10,000 more complete Mathlib declarations.

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Project-declaredLean 4.32.0

Exp is Orthochronous

lorentzAlgebra.exp_isOrthochronous

Plain-language statement

The exponential of an element of the Lorentz algebra is orthochronous.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Exp mem lorentz Group

lorentzAlgebra.exp_mem_lorentzGroup

Plain-language statement

The exponential of an element of the Lorentz algebra is a member of the Lorentz group.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Det on connected component

LorentzGroup.det_on_connected_component

Plain-language statement

Two Lorentz transformations which are in the same connected component have the same determinant.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Is Orthochronous on connected component

LorentzGroup.isOrthochronous_on_connected_component

Plain-language statement

Two Lorentz transformations which are in the same connected component are either both orthochronous or both not orthochronous.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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