{"schema":"vela.problem-packet.v0.1","problem":1008,"statement":"Does every graph with $m$ edges contain a subgraph with $\\gg m^{2/3}$ edges which contains no $C_4$?","status":"solved","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)"}