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@ITensor

ITensor

A software library for developing and performing state of the art tensor network calculations.
README.md

Welcome to the ITensor organization

This is the ITensor organization. This organization revolves around the Julia and C++ versions of the ITensor library for performing tensor network calculations, along with related Julia and C++ libraries.

The main developers are Matt Fishman and Miles Stoudenmire, please reach out to either of us for questions, comments, issues, or suggestions (or raise issues on a particular repository).

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  1. ITensors.jl ITensors.jl Public

    A Julia library for efficient tensor computations and tensor network calculations. ITensors.jl is supported by the Simons Foundation's Flatiron Institute.

    Julia 654 136

  2. ITensorMPS.jl ITensorMPS.jl Public

    MPS and MPO methods based on ITensor (ITensors.jl). ITensorMPS.jl is supported by the Simons Foundation's Flatiron Institute.

    Julia 80 24

  3. ITensorGaussianMPS.jl ITensorGaussianMPS.jl Public

    Julia 5 3

  4. ITensorNetworks.jl ITensorNetworks.jl Public

    A package with general tools for working with higher-dimensional tensor networks based on ITensor.

    Julia 116 22

  5. ITensorWebsite ITensorWebsite Public

    New ITensor website (https://itensor.org)

    CSS 2 2

  6. ITensor ITensor Public

    A C++ library for efficient tensor network calculations

    C++ 397 170

Repositories

Showing 10 of 88 repositories
  • NamedGraphs.jl Public

    Extension of `Graphs.jl` to graphs with named vertices.

    ITensor/NamedGraphs.jl’s past year of commit activity
    Julia 9 Apache-2.0 5 22 1 Updated Apr 2, 2026
  • SparseArraysBase.jl Public

    Multidimensional sparse array library. SparseArraysBase.jl is supported by the Simons Foundation's Flatiron Institute.

    ITensor/SparseArraysBase.jl’s past year of commit activity
    Julia 1 Apache-2.0 1 10 0 Updated Apr 2, 2026
  • SerializedArrays.jl Public
    ITensor/SerializedArrays.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Apr 2, 2026
  • TensorNetworkSolvers.jl Public

    Demonstration of a new tensor network solver interface based on AlgorithmsInterface.jl.

    ITensor/TensorNetworkSolvers.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 0 1 Updated Apr 2, 2026
  • TensorAlgebra.jl Public
    ITensor/TensorAlgebra.jl’s past year of commit activity
    Julia 3 Apache-2.0 2 8 0 Updated Apr 2, 2026
  • FunctionImplementations.jl Public
    ITensor/FunctionImplementations.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Apr 2, 2026
  • PkgDependents.jl Public

    Get the dependencies and dependents of packages.

    ITensor/PkgDependents.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Apr 2, 2026
  • KroneckerArrays.jl Public

    Lazy representations of Kronecker products.

    ITensor/KroneckerArrays.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Apr 2, 2026
  • GradedArrays.jl Public
    ITensor/GradedArrays.jl’s past year of commit activity
    Julia 1 Apache-2.0 1 1 0 Updated Apr 2, 2026
  • MapBroadcast.jl Public
    ITensor/MapBroadcast.jl’s past year of commit activity
    Julia 0 Apache-2.0 0 1 0 Updated Apr 2, 2026
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