{
  "annotation_id": "2ac6a9ac-3fef-4255-ab34-4df625cf70fe",
  "date_created": "2026-03-02T18:02:50.691000Z",
  "date_modified": "2026-03-02T18:02:50.691000Z",
  "file_hash": "d8d205ca7191a6a2ed73503414f75fbb3f07fd54c4f210916630c8f114b10526",
  "private": false,
  "record": {
    "abstract": "Two models of candidates for hereditary symmetry operators are proposed and\nthus many nonlinear systems of evolution equations possessing infinitely many\ncommutative symmetries may be generated. Some concrete structures of hereditary\nsymmetry operators are carefully analyzed on the base of the resulting general\nconditions and several corresponding nonlinear systems are explicitly given out\nas illustrative examples.",
    "arxiv_id": "solv-int/9803002",
    "authors": [
      "Wen-Xiu MA"
    ],
    "categories": [
      "solv-int",
      "nlin.SI"
    ],
    "doi": "10.1088/0305-4470/31/35/009",
    "title": "Extension of Hereditary Symmetry Operators",
    "url": "https://arxiv.org/abs/solv-int/9803002"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "535cb3a9-fc56-401e-80a0-ff9190e6a9d8",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}