2 problems

Regular-supershift characterization conjecture. The function $\psi$ is a $\mathbb C$-regular supershift if and only if $\psi$ is the restriction to the real line of an entire funct…

Regular-sampling supershift conjecture. The function $\psi$ is a $\mathbb C$-regular supershift if and only if there is an entire function $F\colon\mathbb C\to\mathbb C$ such that