The current version of the Bialgebra Rule is for 4 spiders with zero phase; 2 red and 2 green connected in a square pattern . The general Bialgebra Rule is stated for spiders with arbitrary arities and can involve non-zero phases.
cfr. arxiv:2012.13966, Section 4.5
The current version of the Bialgebra Rule is for 4 spiders with zero phase; 2 red and 2 green connected in a square pattern . The general Bialgebra Rule is stated for spiders with arbitrary arities and can involve non-zero phases.
cfr. arxiv:2012.13966, Section 4.5