From 505248c2cc4af094eccaa4ef3178b83c21c97611 Mon Sep 17 00:00:00 2001
From: "Victor V. Albert" <valbert4@gmail.com>
Date: Tue, 13 Feb 2024 19:56:54 -0500
Subject: [PATCH] ~

---
 codes/classical/groups/mixed/mixed.yml                         | 3 +++
 codes/classical/q-ary_digits/projective/simplex.yml            | 2 +-
 .../translationally_invariant_stabilizer.yml                   | 1 -
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/codes/classical/groups/mixed/mixed.yml b/codes/classical/groups/mixed/mixed.yml
index 2c168a346..1c72fb330 100644
--- a/codes/classical/groups/mixed/mixed.yml
+++ b/codes/classical/groups/mixed/mixed.yml
@@ -11,6 +11,9 @@ name: 'Mixed code'
 
 description: 'Encodes \(K\) states (codewords) in a string of coordinates which takes values in more than one group.'
 
+protection: |
+  The Hamming, Singleton, and Plotkin bounds are straightforwardly extended to mixed alphabets \cite[Thm. 5.1]{manual:{Cameron, Peter J. "Some bridges between codes and designs." Unpublished manuscript, Queen Mary and Westfield College, London (1998).}}.
+
 relations:
   parents:
     - code_id: group_classical
diff --git a/codes/classical/q-ary_digits/projective/simplex.yml b/codes/classical/q-ary_digits/projective/simplex.yml
index 9d8579f9d..cdf297ca3 100644
--- a/codes/classical/q-ary_digits/projective/simplex.yml
+++ b/codes/classical/q-ary_digits/projective/simplex.yml
@@ -9,7 +9,7 @@ logical: q-ary_digits
 
 name: 'Simplex code'
 introduced: '\cite{doi:10.1111/j.1469-1809.1941.tb02298.x,doi:10.1111/j.1469-1809.1943.tb02332.x}'
-#  from Simplex codes over the ring F_2+uF_2
+#  from Cameron, Peter J. "Some bridges between codes and designs." Unpublished manuscript, Queen Mary and Westfield College, London (1998).
 
 alternative_names:
   - 'Maximum-length feedback-shift-register code'
diff --git a/codes/quantum/properties/stabilizer/topological_stabilizer/translationally_invariant_stabilizer.yml b/codes/quantum/properties/stabilizer/topological_stabilizer/translationally_invariant_stabilizer.yml
index a116fb52a..ffa318e7a 100644
--- a/codes/quantum/properties/stabilizer/topological_stabilizer/translationally_invariant_stabilizer.yml
+++ b/codes/quantum/properties/stabilizer/topological_stabilizer/translationally_invariant_stabilizer.yml
@@ -47,7 +47,6 @@ features:
     Codes on a \(D\)-dimensional homogeneous Riemannian manifold with diameter \(L\) satisfy \(k = O(L^{D-2})\) \cite{arxiv:2009.13551}.
     \end{defterm}
 
-features:
   decoders:
     - 'Clustering decoder \cite{doi:10.7907/AHMQ-EG82,arXiv:1112.3252}.'
     - 'Quantum neural-network (QNN) decoder \cite{arxiv:2401.06300}.'