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

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Project-declaredLean 4.28.0

Kron

MatrixMap.IsTracePreserving.kron

Plain-language statement

The kronecker product of IsTracePreserving maps is also trace preserving.

quantum informationentropyquantum channels

Source project: quantumInfo

Person-level attribution pending.

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Project-declaredLean 4.28.0

Kron def

MatrixMap.kron_def

Plain-language statement

The extensional definition of the Kronecker product MatrixMap.kron, in terms of the entries of its image.

quantum informationentropyquantum channels

Source project: quantumInfo

Person-level attribution pending.

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Project-declaredLean 4.28.0

Kron kronecker const

MatrixMap.kron_kronecker_const

Plain-language statement

The map that takes M and returns M ⊗ₖ C, where C is positive semidefinite, is a completely positive map.

quantum informationentropyquantum channels

Source project: quantumInfo

Person-level attribution pending.

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Project-declaredLean 4.28.0

Kron map of kron state

MatrixMap.kron_map_of_kron_state

Plain-language statement

The operational definition of the Kronecker product MatrixMap.kron, that it maps a Kronecker product of inputs to the Kronecker product of outputs. It is the unique bilinear map doing so.

quantum informationentropyquantum channels

Source project: quantumInfo

Person-level attribution pending.

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Project-declaredLean 4.28.0

Module Basis to Dual Equiv symm comp dual Map to Dual Equiv

MatrixMap.Module.Basis.toDualEquiv_symm_comp_dualMap_toDualEquiv

Plain-language statement

The composition of the inverse of the dual basis isomorphism with the dual of the dual basis isomorphism is the inverse of the evaluation map.

quantum informationentropyquantum channels

Source project: quantumInfo

Person-level attribution pending.

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