2 problems

Let $[1\dots n]=\{1,\dots,n\}$, and let a collection of $k$-subsets be pairwise weakly separated when each pair satisfies the weak separation relation used in the source. Let…

Let $k,m,n$ be positive integers, let $\Bbb{C}_q[Mat_{k \times m}]$ be the quantum coordinate ring of $k \times m$ matrices, and let $\Delta_{A,B}$ denote a quantum minor. A produc…