Issues

• Review add_trivial_leg is_dual arg

  tenpy/cyten#307 · Filter by author Jakob-Unfried opened on Oct 6, 2026

• Segfault on ElementarySpace.is_trivial if dim==0

  tenpy/cyten#306 · Filter by author Jakob-Unfried opened on Oct 6, 2026

• Make comparing symmetries easier

  tenpy/cyten#304 · Filter by author Jakob-Unfried opened on Oct 3, 2026

• Better error on unavailable symmetry data (SU N symbols)

  tenpy/cyten#303 · Filter by author Jakob-Unfried opened on Oct 3, 2026

• Revisit gridded tensors

  tenpy/cyten#299 · Filter by author Jakob-Unfried opened on Oct 1, 2026

• Rename package

  tenpy/cyten#297 · Filter by author Jakob-Unfried opened on Oct 1, 2026

• Numpy-like Dtype handling

  tenpy/cyten#293 · Filter by author Jakob-Unfried opened on Oct 1, 2026

• Definition of svd_min (and other trunc params) in truncated_svd

  tenpy/cyten#290 · Filter by author Jakob-Unfried opened on Sep 30, 2026

• Define behavior of truncated_svd if constraints can not be fulfilled

  tenpy/cyten#289 · Filter by author Jakob-Unfried opened on Sep 30, 2026

• use mermaid instead of graphviz for documentation?

  documentation
  tenpy/cyten#279 · Filter by author jhauschild opened on Sep 16, 2026

• port from pybind11 to nanobind

  tenpy/cyten#255 · Filter by author jhauschild opened on Aug 21, 2026

• rethink multiple inheritance?

  tenpy/cyten#254 · Filter by author jhauschild opened on Aug 21, 2026

• clean up clebsch_gordan repo and setup auto loading of generated files

  tenpy/cyten#253 · Filter by author jhauschild opened on Aug 20, 2026
  

• Adapt methods in exact_diag to cyten

  tenpy/cyten#245 · Filter by author LudwigZw opened on Aug 18, 2026
  

• Charge sector extraction in exact_diag.py

  tenpy/cyten#244 · Filter by author LudwigZw opened on Aug 18, 2026
  

• C++ classes should have protected attributes

  tenpy/cyten#240 · Filter by author jhauschild opened on Aug 14, 2026
  

• Limiting design choice for Sectors

  tenpy/cyten#233 · Filter by author jhauschild opened on Aug 5, 2026 · cyten v1

• Revise Mask.to_dense_block

  performance
  tenpy/cyten#218 · Filter by author Jakob-Unfried opened on Apr 19, 2026 · cyten v2

• Review Mask constructor / attributes / properties

  tenpy/cyten#217 · Filter by author Jakob-Unfried opened on Apr 19, 2026 · cyten v1

• What is the best practice for fermionic symmetries?

  tenpy/cyten#207 · Filter by author Jakob-Unfried opened on Feb 3, 2026 · cyten v1

• Review dagger for ChargedTensor if symmetry has non-trivial braid

  tenpy/cyten#204 · Filter by author Jakob-Unfried opened on Jan 30, 2026 · cyten v1

• Generate tests for ChargedTensors with non-trivial charged_state

  tenpy/cyten#203 · Filter by author Jakob-Unfried opened on Jan 30, 2026 · cyten v1

• Clean up weird leg-order conventions

  tenpy/cyten#201 · Filter by author Jakob-Unfried opened on Jan 30, 2026 · cyten v1

• Make symmetries subpackage blockbackend agnostic

  C++performance
  tenpy/cyten#192 · Filter by author Jakob-Unfried opened on Nov 26, 2025 · cyten v1
  2

  

• Fix FTB Mask @ Tensor if pipes

  tenpy/cyten#186 · Filter by author Jakob-Unfried opened on Nov 25, 2025 · cyten v1