Generalized Global Symmetries by Davide Gaiotto and others (source code)

= Generalized Global Symmetries by Davide Gaiotto and others
{c}
{title2=2015}
{title2=1412.5148}
{title2=10.1007/JHEP02(2015)172}

Primary research paper. Introduction, printed pp. 2–3, equations (1.1)–(1.2), defines codimension q+1 symmetry generators and q-dimensional charged operators. A one-form symmetry therefore has codimension-two generators.

https://arxiv.org/abs/1412.5148