2 problems

Representability conjecture. Every maxoid is representable as the conditional-independence structure of a positive discrete distribution.

Bar-Lev–Bshouty–Enis conjecture. The pair $\left(v,\left(0,\infty\right)\right)$ is a variance function for all $n\in\mathbb{N}$ if and only if $\operatorname{Re}(u_1)\leq 0$. The…