{
  "abstract": "FINDING: The search results are a scattered mix of pedagogical videos and one substantive arXiv paper on affine Grassmannian degenerations; the core mathematical signal is the central degeneration of semi-infinite orbits in type A, tied to local models of Shimura varieties and Gaitsgory's central sheaves. | MATH: The paper (arXiv:1604.08641v8) concerns the central degeneration of the affine Grassmannian \\( \\mathrm{Gr}_G \\) for \\( G = \\mathrm{SL}_n \\) (type A). Key objects: semi-infinite orbits \\( S^\\lambda \\) (indexed by coweights \\( \\lambda \\)), their central degeneration \\( \\overline{S}^\\lambda_0 \\), and convex polytopes encoding the combinatorics. The degeneration parameter is a central element \\( z \\to 0 \\), with the special fiber being a union of Schubert varieties. The relevant structure is the affine Grassmannian \\( \\mathrm{Gr}_G = G(\\mathbb{C}((t)))/G(\\mathbb{C}[[t]]) \\), with the central degeneration arising from the \\( \\mathbb{C}^\\times \\)-action scaling \\( t \\). No explicit\n\nAuthor: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com",
  "abstract_shown": true,
  "affiliations": [
    "Independent Researcher, United Kingdom"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 1,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Andrew Stewart Caldin"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/024tbrdams4w5.bib",
  "cited_by": 0,
  "doi": "10.5281/zenodo.23553750",
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  "id": "024tbrdams4w5",
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  "landing_url": "https://zenodo.org/records/23553750",
  "language": "eng",
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
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  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
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  "pmcid": null,
  "pmid": null,
  "published": "2026-10-22",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/024tbrdams4w5.ris",
  "sources": [
    {
      "first_seen": "2026-11-05T12:21:19Z",
      "native_id": "23553750",
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      "url": "https://zenodo.org/records/23553750"
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  ],
  "subjects": [],
  "title": "Central Degeneration of Semi-Infinite Orbits in Type A Affine Grassmannians — E8 Intelligence Research",
  "title_text": "Central Degeneration of Semi-Infinite Orbits in Type A Affine Grassmannians — E8 Intelligence Research",
  "type": "preprint",
  "updated_at": "2026-11-05T12:21:19Z",
  "url": "https://research.draconitic.com/paper/024tbrdams4w5",
  "venue": "Zenodo",
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}