{
  "annotation_id": "b64f75ab-035f-40b8-ba20-e6ec8bf7f3dc",
  "date_created": "2026-03-02T18:00:28.839000Z",
  "date_modified": "2026-03-02T18:00:28.839000Z",
  "file_hash": "b5d8994145dab62034eaa719612723b767eebefa93f79959c75ae2c715f4cbf6",
  "private": false,
  "record": {
    "abstract": "We study the class of shallow water equations of Camassa and Holm derived\nfrom the Lagrangian: $ L= \\int \\left( \\frac{1}{2} (\\varphi_{xxx}-\\varphi_{x}\n)\\varphi_{t} - {1 \\over 2} {(\\varphi_{x})^{3}} - {1 \\over\n2}\\varphi_{x}(\\varphi_{xx})^{2} - {1 \\over 2} \\kappa \\varphi_{x}^{2} \\right)\ndx, $",
    "arxiv_id": "patt-sol/9311006",
    "authors": [
      "Fred Cooper",
      "Harvey Shepard"
    ],
    "categories": [
      "patt-sol",
      "nlin.PS"
    ],
    "doi": "10.1016/0375-9601(94)91246-7",
    "title": "Solitons in the Camassa-Holm Shallow Water Equation",
    "url": "https://arxiv.org/abs/patt-sol/9311006"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "a04fce70-5989-47bc-a8af-5a83928a8991",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}