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Add `ITensorNetworkOperator` and `QuadraticFormNetwork` data structures - #195

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jd/quadraticform

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Add `ITensorNetworkOperator` and `QuadraticFormNetwork` data structures#195
jack-dunham wants to merge 28 commits into
mainfrom
jd/quadraticform

Commits on Oct 8, 2026
- Add `QuadraticFormNetwork` and a shared bilinear-form interface
  
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  34796d3
- Move the bilinear-form networks and views to `src/bilinearforms/`
  
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  6828d4b
- Reject `NormNetwork` in `OperatorView` with an `ArgumentError`
  
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- Define the NamedGraphs vertex encoding once on the abstract view type
  
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- Add `ITensorNetworkOperator` and use it as the operator layer
  
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- Replace `KetView` and `OperatorView` with `ketnetwork` and `operatornetwork`
  
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- Remove `AbstractBilinearFormNetworkView`; define its forwarding methods on `BraView`
  
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- Move `BraView` into `abstractbilinearformnetwork.jl`
  
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- Combine the two `DataGraphs.jl` sections of `BraView`
  
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- Reject crossing operator pairs; read the vertex operator's pairing in `operatortensor`
  
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- Store the `ITensorNetworkOperator` pairing as a `Dictionary`
  
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- Define shared bilinear-form methods on the abstract type; remove `indmap`
  
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- Add `nametype` to the bilinear-form network interface
  
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- Reject a `QuadraticFormNetwork` operator input name absent from the ket layer
  
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- Add `factor_tensors` for `QuadraticFormNetwork`; make its indexing an error
  
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  ee408ab
- Read vertex indices through `inds(tn, v)`; `BraView` overloads it
  
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  6624d4d
- Return a `Set` from both `dimnamevertices` methods
  
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  aff3d91
- Define `inds(tn, v)` and `names(tn, v)` on `AbstractITensorNetwork`
  
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  b78ea29
- Replace `select_branames` with `linknames(tn)` and `getindices`
  
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  7ce3282
Commits on Oct 12, 2026
- Give a separate bra name to every mapped index of the ket layer
  
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  b77215e
Commits on Oct 15, 2026
- Derive default bra names with `derivedname` and validate the name map
  
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- Tag a name from `derivedname` with its key
  
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  b100b45
- Continue the `QuadraticFormNetwork` error messages with `\` instead of a literal `\\`
  
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  dbf3ed3
- Require a bra name for every link in `NormNetwork` and `QuadraticFormNetwork`
  
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  4149ef5
- Build the default bra-name maps with `narrow_map`
  
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  bf38a26
Commits on Oct 19, 2026
- Formatting.
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  5eb87cf
- Bump version to 0.11.2
  
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  f9b505f
- Minor fixes/improvements.
  Jack Dunham
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  608bde6

Commits

Commits on Oct 8, 2026

Commits on Oct 12, 2026

Commits on Oct 15, 2026

Commits on Oct 19, 2026