{"schema":"vela.problem-packet.v0.1","problem":1157,"statement":"Let $t,k,r\\geq 2$. Let $\\mathcal{F}$ be the family of all $r$-uniform hypergraphs with $k$ vertices and $s$ edges. Determine\\[\\mathrm{ex}_r(n,\\mathcal{F}).\\]","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)"}