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

Is Closable add continuous

LinearPMap.IsClosable.add_continuous

Plain-language statement

Closability is preserved upon adding a continuous operator.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Is Closable defect Number const

LinearPMap.IsClosable.defectNumber_const

Plain-language statement

The defect number is constant on each connected component of the regularity domain.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Is Closed add continuous

LinearPMap.IsClosed.add_continuous

Plain-language statement

Closedness is preserved upon adding a continuous operator.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Is Closed resolvent Set eq

LinearPMap.IsClosed.resolventSet_eq

Plain-language statement

For a closed operator the continuity of the resolvent is redundant in the definition of the resolvent set.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Is Closed resolvent Set eq

LinearPMap.IsClosed.resolventSet_eq'

Plain-language statement

For a closed operator the resolvent set consists of those regular points for which the defect number is zero.

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Is Closed spectrum eq

LinearPMap.IsClosed.spectrum_eq

Project documentation

The continuous spectrum, σᶜ, of a partial linear map. A complex number z is in σᶜ T iff the range of T - z • 1 is not closed. -/ def continuousSpectrum (T : H →ₗ.[ℂ] H) : Set ℂ := {z : ℂ | ¬root.IsClosed ((T - z • 1).toFun.range : Set H)} @[inherit_doc continuousSpectrum] scoped notation "σᶜ" => continuousSpectrum lemma continuousSpectrum_eq (T...

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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