tensorcircuit

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• Mixed-Y two-qubit gates use the opposite rotation angle

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  bug

  Difficulty 2/5 1-3 hours Newbie friendliness 82/100

  tensorcircuit/tensorcircuit-ng#259 · 2 comments · Opened Nov 11, 2026

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• Make torch_interface compatible with torch.func transforms via torch.library.custom_op

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  tensorcircuit/tensorcircuit-ng#236 · Opened Oct 28, 2026

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• Infinite MPS and iDMRG for thermodynamic-limit calculations

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tensorcircuit/tensorcircuit-ng#176 · 1 comment · Opened Oct 22, 2026

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• Finite-temperature MPS purification, physical sampling and thermal response

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tensorcircuit/tensorcircuit-ng#175 · 1 comment · Opened Oct 22, 2026

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• Continuous-time Lindblad dynamics and open-system observables

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tensorcircuit/tensorcircuit-ng#174 · 1 comment · Opened Oct 22, 2026

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• 13 subtle bugs from an Astra assisted review

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  tensorcircuit/tensorcircuit-ng#165 · 6 comments · Opened Sep 30, 2026

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• Proposal: Explore FlagOS compatibility for TensorCircuit-NG

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  tensorcircuit/tensorcircuit-ng#135 · 2 comments · Opened Sep 21, 2026

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• Reproduce arXiv:2207.05612

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  tensorcircuit/tensorcircuit-ng#73 · Opened Feb 19, 2026

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• Reproduce arXiv:1709.01662

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tensorcircuit/tensorcircuit-ng#70 · Opened Feb 19, 2026

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• Comprehensive Benchmark for PyTorch backend

  May be free again @ninjaduck7 claimed this 90 days ago, and no pull request is open. Open

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tensorcircuit/tensorcircuit-ng#52 · 5 comments · Opened Sep 13, 2025

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• Locally Purified Density Operator Engine for Noisy Quantum Circuit Simulation

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  tensorcircuit/tensorcircuit-ng#15 · Opened Jun 25, 2025

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• cuQuantum benchmark and integration

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  tensorcircuit/tensorcircuit-ng#11 · 1 comment · Opened Feb 4, 2025

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• Torch 2.6 is still no good enough for its compiling module

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  bug

  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  tensorcircuit/tensorcircuit-ng#4 · 4 comments · Opened Oct 22, 2024

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