{
  "abstract": "Recent work has proposed using the spatial clustering of Little Red Dots (LRDs) as a high-redshift cosmological probe. In this paper, we investigate the feasibility of obtaining a LRD sample with a future space experiment, and forecast LRD constraints on primordial local-type non-Gaussianity, $f^{\\rm loc}_{\\rm NL}$, and the collapsed-limit trispectrum amplitude, $τ^{\\rm loc}_{\\rm NL}$. LRDs are ideally suited to probe these inflationary parameters because they span a large cosmological volume, have high bias and are easily identifiable. We perform idealised joint $f_{\\rm NL}^{\\rm loc}$--$τ_{\\rm NL}^{\\rm loc}$ Fisher forecasts assuming the universality relation, Gaussian covariance, Poisson shot-noise and a normalised redshift dispersion, $σ(z) / \\left( {1+z} \\right)= 0.03$. We quantify the significance at which one would detect multi-source inflation under the Suyama--Yamaguchi relation, $τ^{\\rm loc}_{\\rm NL} > \\left( 6/5 f_{\\rm NL}\\right)^2$, across the $f_{\\rm NL}^{\\rm loc}$--$τ_{\\rm NL}^{\\rm loc}$ plane. We find that a LRD analysis could robustly detect multi-source inflation at high-significance over a large region of parameter space, and would be more constraining than all other past or present experiments.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.36002",
  "author_total": 4,
  "authors": [
    {
      "name": "Peter L. Taylor"
    },
    {
      "name": "Xinyi Chen"
    },
    {
      "name": "Christopher M. Hirata"
    },
    {
      "name": "Charuhas Shiveshwarkar"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/4zhyxepaa4bx4.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.36002",
  "fulltext_url": null,
  "id": "4zhyxepaa4bx4",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.36002",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "astro-ph.CO"
    ],
    [
      "openalex",
      "3103|Cosmology and Gravitation Theories"
    ]
  ],
  "openalex": "W7214927667",
  "pdf_url": "https://arxiv.org/pdf/2609.36002",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-28",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/4zhyxepaa4bx4.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:25:31Z",
      "native_id": "2609.36002",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.36002"
    }
  ],
  "subjects": [
    {
      "field": "astronomy",
      "origin": "arxiv:astro-ph.CO",
      "subfield": "cosmology"
    }
  ],
  "title": "Connecting the Dots: Prospects for Detecting Multi-Source Inflation through Scale-Dependent and Stochastic Bias of Little Red Dots",
  "title_text": "Connecting the Dots: Prospects for Detecting Multi-Source Inflation through Scale-Dependent and Stochastic Bias of Little Red Dots",
  "type": "preprint",
  "updated_at": "2026-10-30T12:25:31Z",
  "url": "https://research.draconitic.com/paper/4zhyxepaa4bx4",
  "venue": "arXiv",
  "versions": []
}