{
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  "date_created": "2026-03-02T18:01:42.410000Z",
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  "record": {
    "abstract": "Three remarks concerning the form and the range of validity of the\nstate-extended characteristic uncertainty relations (URs) are presented. A more\ngeneral definition of the uncertainty matrix for pure and mixed states is\nsuggested. Some new URs are provided.",
    "arxiv_id": "quant-ph/0012031",
    "authors": [
      "D. A. Trifonov"
    ],
    "categories": [
      "quant-ph",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "doi": "10.1088/0305-4470/34/9/101",
    "journal_ref": "J.Phys. A34 (2001) L75-1804",
    "title": "Remarks on the Extended Characteristic Uncertainty Relations",
    "url": "https://arxiv.org/abs/quant-ph/0012031"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
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    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}