{
  "annotation_id": "411ce889-9c6e-4c7d-aaac-e1134d315195",
  "date_created": "2026-03-02T18:02:45.185000Z",
  "date_modified": "2026-03-02T18:02:45.185000Z",
  "file_hash": "4538f9c2a4602ab1d69ba1782a6f7615e4ee1600960cdcdb1bf3c8cb7c41c9d9",
  "private": false,
  "record": {
    "abstract": "We establish a connection between optimal quantum cloning and optimal state\nestimation for d-dimensional quantum systems. In this way we derive an upper\nlimit on the fidelity of state estimation for d-dimensional pure quantum states\nand, furthermore, for generalized inputs supported on the symmetric subspace.",
    "arxiv_id": "quant-ph/9812016",
    "authors": [
      "D. Bruss",
      "C. Macchiavello"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/S0375-9601(99)00099-7",
    "journal_ref": "Phys.Lett. A253 (1999) 249-251",
    "title": "Optimal state estimation for d-dimensional quantum systems",
    "url": "https://arxiv.org/abs/quant-ph/9812016"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "c6939850-5c84-42a4-86d3-e17ea6bc43ee",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}