qiskit-qec

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- Update old GitHub Actions and add dependabot for automatic Github Actions updates - Add concurrency check to stop old CI jobs if there are new pushes to the PR...

coruscating

### Summary Draft pull request featuring 1. Implementation of the Bivariate Bicycle codes 2. Implementation of Union Find on the Tannergraphs of LDPC codes meant to give a preview of...

kaiott

### Steps to reproduce the problem ``` import numpy as np from qiskit_qec.linear.symplectic import _symplectic_product_vv_boolean a = np.array([1,0,0,0,1,1,1,0,1,0], dtype=np.bool_) b = np.array([1,1,1,1,0,0,1,0,1,1], dtype=np.bool_) _symplectic_product_vv_boolean(a, b, 5) ``` ### What is...

kaiott

Issue 257/xp formalism

1

### Summary ### Details and comments

ghost

### Steps to reproduce the problem Look for the index of the boundary node/nodes and interpret the outcome of pymatching.Matching.decode_to_edges_array() accordingly. ### What is the current behavior? Currently it is...

hetenyib

### Summary ### Details and comments

quantumjim

### What is the expected enhancement? * `check_nodes` currently determines the required logical nodes, but not the required boundary nodes. * `is_cluster_neutral` currently required the correct given logical nodes, when...

quantumjim

The tutorial example in https://qiskit-community.github.io/qiskit-qec/tutorials/1-tutorial-example.html [seems to send the wrong message](https://twitter.com/wishee0/status/1753479923246010884) and probably makes sense to remove it until the content matures. 

1ucian0

Convert the existing class for the heavy hex code into a `HHCodeCircuit`, and add `DetectorCircuit` for when users have their own circuit as well as a description of detectors and...

quantumjim

The methods `_make_syndrome_graph` should be renamed `_make_decoding_graph`

quantumjim