{"schema":"vela.problem-packet.v0.1","problem":311,"statement":"Let $\\delta(N)$ be the minimal non-zero value of $\\lvert 1-\\sum_{n\\in A}\\frac{1}{n}\\rvert$ as $A$ ranges over all subsets of $\\{1,\\ldots,N\\}$. Is it true that\\[\\delta(N)=e^{-(c+o(1))N}\\]for some constant $c\\in (0,1)$?","status":"open","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}