2 problems

Let $W$ be the Coxeter group, let $s\in S$, and let $\underline{w}$ and $\underline{w'}$ be reduced expressions, each ending in $s$. A rex move is a morphism between reduced expres…

Let the diagrammatic category and its representation functor be as in the paper. The kernel is understood as a pivotal category ideal, and the elements described in Theorems…