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shinaoka merged 2 commits into from
Jan 1, 2026
Merged

Add tensor train representations (Vidal, Inverse, Site) #6

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058a91b
Add tensor train representations (Vidal, Inverse, Site) from T4AMPOCo…
shinaoka Jan 1, 2026
8542295
Improve orthogonality tests to follow T4AMPOContractions pattern
shinaoka Jan 1, 2026
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17 changes: 17 additions & 0 deletions src/T4ATensorTrain.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,14 @@ include("abstracttensortrain.jl")
include("tensortrain.jl")
include("cachedtensortrain.jl")
include("contraction.jl")
include("tensor_train_representations.jl")

# Types
export AbstractTensorTrain
export TensorTrain
export VidalTensorTrain
export InverseTensorTrain
export SiteTensorTrain
export TTCache, BatchEvaluator
export TensorTrainFit
export Algorithm, @Algorithm_str
Expand Down Expand Up @@ -47,6 +51,19 @@ export _contract, _contractsitetensors
# Functions from util.jl
export projector_to_slice

# Functions from tensor_train_representations.jl
export isleftorthogonal, isrightorthogonal
export reshapephysicalleft, reshapephysicalright
export singularvalues, singularvalue
export inversesingularvalues, inversesingularvalue
export partition, center
export setpartition!, setcenter!
export settwositetensors!, setsitetensor!
export movecenterleft!, movecenterright!, movecenterto!
export movecenterleft, movecenterright
export centercanonicalize, centercanonicalize!
export vidaltensortrain, inversetensortrain, sitetensortrain

# Re-export from T4AMatrixCI for convenience
export rrlu, MatrixLUCI

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