{
  "annotation_id": "b526cd29-7f23-4046-b9d0-7cfc4b8b9703",
  "date_created": "2026-03-02T18:01:49.510000Z",
  "date_modified": "2026-03-02T18:01:49.510000Z",
  "file_hash": "97fb4a3dbd7df4411f0605ab4fab278a0def17ab3e1411fab7d00663dfad236d",
  "private": false,
  "record": {
    "abstract": "In this note we introduce purification for a pair $(\\rho,\\Phi),$ where $\\rho\n$ is a quantum state and $\\Phi $ is a channel, which allows in particular a\nnatural extension of the properties of related information quantities (such as\nmutual and coherent informations) to the channels with arbitrary input and\noutput spaces.",
    "arxiv_id": "quant-ph/0204077",
    "authors": [
      "A. S. Holevo"
    ],
    "categories": [
      "quant-ph"
    ],
    "journal_ref": "Quantum Information Processing, vol.1, N1, 2002",
    "title": "On states, channels and purification",
    "url": "https://arxiv.org/abs/quant-ph/0204077"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "29bbc550-834f-4cf6-84da-08461f19cad8",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}