Issues

• Can we use blas_contract!'s AD rules for contract!, even for fermions?

  QuantumKitHub/TensorKit.jl#562 · Filter by author kshyatt opened on Oct 1, 2026
  4

• Document invariants degeneracystructure relies on from sectorstructure

  documentation
  QuantumKitHub/TensorKit.jl#549 · Filter by author lkdvos opened on Sep 20, 2026

• Consider removing GeneralSpace

  question
  QuantumKitHub/TensorKit.jl#548 · Filter by author lkdvos opened on Sep 20, 2026

• Rework planar_trace hack to enable invariant-based hash/== for FusionTreeBlock

  QuantumKitHub/TensorKit.jl#522 · Filter by author lkdvos opened on Aug 31, 2026

• GPU-backed TensorMap permute! braid is extremely inefficient

  QuantumKitHub/TensorKit.jl#508 · Filter by author kshyatt opened on Aug 15, 2026
  4

• IdentityTensorMap optimization

  QuantumKitHub/TensorKit.jl#504 · Filter by author Chenqitrg opened on Aug 10, 2026
  4

• Despecialize the foreachblock machinery

  QuantumKitHub/TensorKit.jl#494 · Filter by author lkdvos opened on Jul 27, 2026

• Enzyme-related (?) cache misses on 1.10 for degeneracystructure

  QuantumKitHub/TensorKit.jl#457 · Filter by author kshyatt opened on Jun 23, 2026

• More stringent check needed for BraidingTensor

  QuantumKitHub/TensorKit.jl#411 · Filter by author kshyatt opened on Apr 22, 2026

• TruncationStrategy does not accept space

  feature request
  QuantumKitHub/TensorKit.jl#400 · Filter by author ogauthe opened on Apr 13, 2026
  2

• [Documentation Suggestion] Provide a PDF version of the docs

  QuantumKitHub/TensorKit.jl#394 · Filter by author Al3cLee opened on Apr 3, 2026
  2

• TensorKit caches are too opaque and cannot be inspected easily

  QuantumKitHub/TensorKit.jl#386 · Filter by author lkdvos opened on Mar 23, 2026

• Memory usage of caches is hard to control

  QuantumKitHub/TensorKit.jl#385 · Filter by author lkdvos opened on Mar 23, 2026

• [Feature request] Better control over size of different caches

  QuantumKitHub/TensorKit.jl#382 · Filter by author leburgel opened on Mar 16, 2026

• Support AD on CUDA

  QuantumKitHub/TensorKit.jl#376 · Filter by author Ryo-wtnb11 opened on Feb 18, 2026
  6

• Expose randomized SVD for CUDA

  QuantumKitHub/TensorKit.jl#355 · Filter by author kshyatt opened on Jan 20, 2026
  2

• More graceful way of using CuTensorMap

  QuantumKitHub/TensorKit.jl#354 · Filter by author kshyatt opened on Jan 20, 2026
  4

• Fusiontree tests take forever and are 100% compilation

  QuantumKitHub/TensorKit.jl#340 · Filter by author kshyatt opened on Jan 5, 2026

• Missing docstrings, some of which shouldn't be?

  QuantumKitHub/TensorKit.jl#317 · Filter by author leburgel opened on Nov 17, 2025
  2

• flip(::DiagonalTensorMap, is) returns TensorMap

  QuantumKitHub/TensorKit.jl#243 · Filter by author lkdvos opened on Apr 15, 2025
  6

• Providing a consistent IO method for all kinds of tensors

  QuantumKitHub/TensorKit.jl#211 · Filter by author Yue-Zhengyuan opened on Jan 31, 2025
  10

• TODO: fix TODOs (a recursive TODO tale)

  QuantumKitHub/TensorKit.jl#196 · Filter by author Jutho opened on Jan 6, 2025
  1

• Question: Application of Symmetries to Crystal Space Groups

  QuantumKitHub/TensorKit.jl#163 · Filter by author ejmeitz opened on Oct 20, 2024
  2

• reverse AD doesn't support planarspace

  QuantumKitHub/TensorKit.jl#156 · Filter by author XingyuZhang2018 opened on Oct 9, 2024
  1

• BigFloat issue

  QuantumKitHub/TensorKit.jl#152 · Filter by author ebelnikola opened on Sep 9, 2024
  4