2 problems

A normal plabic graph is a plabic graph whose boundary vertices are black of degree $1$, whose internal black vertices have degree $3$, and in which no two vertices of the same col…

An increasing tableau of shape $\lambda$ with entries in $[q]\coloneqq\{1,\ldots,q\}$ is a filling of the Young diagram of $\lambda$ with elements of $[q]$ whose rows and columns a…