Central-rank divisibility conjecture for monotonic-triangle rank polynomials
Let rMNn(t)r_{{\cal{MN}}_n}(t)rMNn(t) be the rank-generating polynomial of the set MNn{\cal{MN}}_nMNn of monotonic triangles, and let ASM(n)\operatorname{ASM}(n)ASM(n) denote the number of alternating sign…