OAI/Topology/CoarseAssembly/BilateralShift.lean
10 declarations, 0 contain sorry, 0 declared as axioms
The separable Hilbert space and bilateral shift for the circle cycle
- abbrev
OAI.CoarseAssembly.Analytic.CircleSequenceline 14 - instance
OAI.CoarseAssembly.Analytic.circleSequence_secondCountableline 16 - abbrev
OAI.CoarseAssembly.Analytic.circleSequenceSpaceline 25 - def
OAI.CoarseAssembly.Analytic.reindexSequenceline 33Source documentation
Reindex square-summable integer sequences by a permutation.
def reindexSequence (e : ℤ ≃ ℤ) (x : CircleSequence) : CircleSequence := …
- theorem
OAI.CoarseAssembly.Analytic.reindexSequence_normline 39 - def
OAI.CoarseAssembly.Analytic.reindexSequenceEquivline 45 - def
OAI.CoarseAssembly.Analytic.bilateralShiftEquivline 55Source documentation
The shift sends the basis vector at
nto the basis vector atn+1.def bilateralShiftEquiv : CircleSequence ≃ₗᵢ[ℂ] CircleSequence := …
- def
OAI.CoarseAssembly.Analytic.bilateralShiftline 58 - theorem
OAI.CoarseAssembly.Analytic.bilateralShift_applyline 60 - theorem
OAI.CoarseAssembly.Analytic.bilateralShift_unitaryline 63