~

codes/quantum/qubits/stabilizer/css/quantum_parity.yml

@@ -50,7 +50,6 @@ notes:
 relations:
   parents:
     - code_id: generalized_shor
-    - code_id: constant_excitation
     - code_id: group_quantum_parity
       detail: 'A \([[m_1 m_2,1,\min(m_1,m_2)]]_G\) group-based QPC reduces to a QPC for \(G=\mathbb{Z}_2\).'
   cousins:
@@ -59,7 +58,7 @@ relations:
     - code_id: majorana_stab
       detail: 'QPCs for \(m_1=m_2\) can be conveniantly expressed in terms of mutually commuting Majorana operators \cite{arxiv:quant-ph/0003137}.'
     - code_id: constant_excitation
-      detail: 'QPCs for even \(m_1=m_2\) are CE codes \cite{arxiv:2011.00197}.'
+      detail: 'QPCs for even \(m_1\) can be made into CE codes by a Pauli transformation (e.g., \(XIXI\cdots XI\)) applied to each block of \(m_1\) qubits.'
 
 
 #     - code_id: translationally_invariant_stabilizer