{
  "annotation_id": "eb68ac10-3d91-42d0-9c68-7fe2a25a66b9",
  "date_created": "2026-03-02T18:01:18.071000Z",
  "date_modified": "2026-03-02T18:01:18.071000Z",
  "file_hash": "99465f02d2cda16232d63d655ff8366d20800ab8960e98fe61720e2c86383a9e",
  "private": false,
  "record": {
    "abstract": "Explicit solutions of the two-dimensional floating body problem (bodies that\ncan float in all positions) for relative density different from 1/2 and of the\ntire track problem (tire tracks of a bicycle, which do not allow to determine,\nwhich way the bicycle went) are given, which differ from circles. Starting\npoint is the differential equation given by the author in archive\nphysics/0205059 and Studies in Appl. Math. 111 (2003) 167-183. The curves are\nalso trajectories of charges in a perpendicular magnetic field.",
    "arxiv_id": "physics/0701241",
    "authors": [
      "Franz J. Wegner"
    ],
    "categories": [
      "physics.class-ph",
      "physics.gen-ph"
    ],
    "title": "Floating Bodies of Equilibrium in 2D, the Tire Track Problem and   Electrons in a Parabolic Magnetic Field",
    "url": "https://arxiv.org/abs/physics/0701241"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "dca26aec-fd24-4934-8c03-3f0b083bc3ec",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}