{
  "annotation_id": "9d971a54-42f6-4620-853a-e639d07a0b25",
  "date_created": "2026-03-02T18:01:52.494000Z",
  "date_modified": "2026-03-02T18:01:52.494000Z",
  "file_hash": "0cbe2581d7a1df8c2eb3a4fba2c3e17a4d5ec4f8a0a2def50e24e3628ff1f664",
  "private": false,
  "record": {
    "abstract": "We have shown quant-ph/0206104 (Lett. Nuovo Cimento, 1972, 4, 344) that for\nfree particles and antiparticles with mass m\u003e0 and arbitrary spin s\u003e0, in the\nframework of the Poincare group P(1,3), there exist three types of\nnonequivalent equations. In the present paper we study the P, T, C properties\nof these equations.",
    "arxiv_id": "quant-ph/0206105",
    "authors": [
      "Wilhelm I. Fushchych"
    ],
    "categories": [
      "quant-ph",
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "journal_ref": "Lett.Nuovo Cim. 6 (1973) 133-137",
    "title": "P, T, C properties of the Poincare invariant equations for massive   particles",
    "url": "https://arxiv.org/abs/quant-ph/0206105"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "bf5a1bf0-7f5d-4f76-ac5e-f42e6818e7cf",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}