The Combinatorics of ${\mathsf{A}}_2$-webs

Georgia Benkart, Soojin Cho, Dongho Moon

The nonelliptic ${\mathsf{A}}_2$-webs with $k$ "$+$"s on the top boundary and $3n-2k$ "$-$"s on the bottom boundary combinatorially model the space $\mathsf{Hom}_{\mathfrak{sl}_3}(\m…