Discussions

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  Explicit form of tensors from MPS/MPO in numpy arrays

  Kowalikov asked Mar 3, 2023 in Q&A · Answered

  

  

  

  

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  Assertion `mat->info->is_wavefunction' failed.

  cfengno1 asked Jan 5, 2026 in Q&A · Unanswered

  

  

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  Control Kept Bond Dimension in 1-Site DMRG

  cfengno1 asked Dec 23, 2025 in Q&A · Unanswered

  

  

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  Parallel NPDM

  cfengno1 asked Dec 15, 2025 in Q&A · Answered

  

  

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  practice on ParallelMPO for mem and speed management.

  jiangtong1000 asked Nov 21, 2025 in Q&A · Unanswered

  

  

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  Compute the 2PDM without including off-diagonal terms

  LukasMuller707 asked Oct 29, 2025 in Q&A · Answered

  

  

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  How to set n_mkl_threads

  cfengno1 asked Nov 16, 2025 in Q&A · Unanswered

  

  

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  Calculation of the von Neumann entropy in an SU(2) t-J model

  LukasMuller707 asked Sep 30, 2025 in Q&A · Answered

  

  

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  Make mps more symmetric

  cfengno1 asked Sep 8, 2025 in Q&A · Answered

  

  

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  Convert a loaded MPO to pyMPO using MPOTools.from_block2

  LuisAlfredoNu asked Aug 6, 2025 in Q&A · Answered

  

  

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  Is there an option to do "mixed-contracted" MRPT with some classes contracted, other uncontracted?

  bogdanoff asked Jul 25, 2025 in Q&A · Answered

  

  

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  mpi environment

  cfengno1 asked Jul 16, 2025 in Q&A · Unanswered

  

  

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  Multiplying MPOs

  shreyasvm3 asked Jul 17, 2025 in Q&A · Unanswered

  

  

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  NPDM using extremely large amount of memory

  cfengno1 asked Jul 13, 2025 in Q&A · Answered

  

  

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  ufunc 'left_shift' not supported

  cfengno1 asked Jul 3, 2025 in Q&A · Answered

  

  

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  SU2 local minima sensitivity?

  jiangtong1000 asked Jun 26, 2025 in Q&A · Answered

  

  

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  Export MPS dense array after DMRG with SU2 symmetry

  jiangtong1000 asked Jun 6, 2025 in Q&A · Answered

  

  

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  Memory Usage

  cfengno1 asked Dec 2, 2024 in Q&A · Answered

  

  

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  left - canonize SU2 symmetric tensor

  MaarHybrid asked Jun 8, 2025 in Q&A · Answered

  

  

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  DMRG using unexpectedly large memory

  cfengno1 asked May 30, 2025 in Q&A · Answered

  

  

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  What is big site method "drt" and "bigdrt"?

  MaarHybrid asked May 20, 2025 in Q&A · Answered

  

  

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  Large - Site DMRG with custom configurations

  MaarHybrid asked May 14, 2025 in Q&A · Answered

  

  

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  MPO has weird bond dimension

  MaarHybrid asked Apr 28, 2025 in Q&A · Answered

  

  

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  Determinants of SGB mode

  MaarHybrid asked Apr 27, 2025 in Q&A · Answered

  

  

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  I can't understand MPS's tensor parameters

  MaarHybrid asked Apr 26, 2025 in Q&A · Answered

  

  

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