2 problems

Natural-boundary conjecture. The function

Let $h(X_1,X_2)\in\mathbb{Z}[X_1,X_2]$ and define … A polynomial $g(U)$ is cyclotomic here if it divides $(1-U^{m})^{n}$ for some positive integers $m$ and $n$. Rudnick–du Sautoy c…