{
  "domain": "mathematics",
  "topics": [
    "probability"
  ],
  "type": "proof",
  "source": {
    "key": "aldous",
    "name": "David Aldous's open problems",
    "url": "https://www.stat.berkeley.edu/~aldous/Research/OP/empires.html",
    "id": "empires",
    "curator": "David Aldous",
    "poser": "David Aldous",
    "status": "open",
    "as_of": "2026-10-20",
    "catalog": "0521c19bbd38"
  }
}