{
  "abstract": "In this article, we establish a new dimensional reduction result in (Galilean or Lorentzian) Robertson Walker spacetimes with Euclidean fiber. In this context, we prove that every unchanged direction observer can be embedded into a three dimensional totally geodesic timelike submanifold.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.00229",
  "author_total": 3,
  "authors": [
    {
      "name": "D. de la Fuente"
    },
    {
      "name": "R. M. Rubio"
    },
    {
      "name": "J. Torrente-Teruel"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/efnhh8bxz9drg.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.00229",
  "fulltext_url": null,
  "id": "efnhh8bxz9drg",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.00229",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "gr-qc"
    ],
    [
      "arxiv",
      "math-ph"
    ],
    [
      "arxiv",
      "math.DG"
    ],
    [
      "arxiv",
      "math.MP"
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      "openalex",
      "3103|Advanced Differential Geometry Research"
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  "openalex": "W7206175707",
  "pdf_url": "https://arxiv.org/pdf/2609.00229",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-01",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/efnhh8bxz9drg.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:19:14Z",
      "native_id": "2609.00229",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.00229"
    }
  ],
  "subjects": [
    {
      "field": "mathematics",
      "origin": "arxiv:math.DG",
      "subfield": "geometry-topology"
    },
    {
      "field": "mathematics",
      "origin": "arxiv:math-ph",
      "subfield": "mathematical-physics"
    },
    {
      "field": "physics",
      "origin": "arxiv:gr-qc",
      "subfield": "gravitation"
    }
  ],
  "title": "Dimensional reduction associated with unchanged direction trajectories in flat fiber Robertson Walker spacetimes",
  "title_text": "Dimensional reduction associated with unchanged direction trajectories in flat fiber Robertson Walker spacetimes",
  "type": "preprint",
  "updated_at": "2026-10-30T12:19:18Z",
  "url": "https://research.draconitic.com/paper/efnhh8bxz9drg",
  "venue": "arXiv",
  "versions": []
}