{
  "abstract": "We refine Gavinsky's framework (arXiv:2608.18784) for exponential separations between quantum and randomized communication complexity of total functions and obtain larger separations: polylogarithmic quantum communication versus $\\tildeΩ(\\sqrt n)$ randomized communication with two quantum messages, and versus $Ω(n^{1-\\varepsilon})$ for every fixed $0<\\varepsilon<1$ with more quantum messages.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.16726",
  "author_total": 1,
  "authors": [
    {
      "name": "François Le Gall"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/9bfbpbn009ebg.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.16726",
  "fulltext_url": null,
  "id": "9bfbpbn009ebg",
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  "landing_url": "https://arxiv.org/abs/2609.16726",
  "language": null,
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  "licence_label": "arXiv licence",
  "licence_source": "article",
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  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cs.CC"
    ],
    [
      "arxiv",
      "quant-ph"
    ],
    [
      "openalex",
      "1702|Quantum Computing Algorithms and Architecture"
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  ],
  "openalex": "W7213410626",
  "pdf_url": "https://arxiv.org/pdf/2609.16726",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-05",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/9bfbpbn009ebg.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:01Z",
      "native_id": "2609.16726",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.16726"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:quant-ph",
      "subfield": "quantum"
    }
  ],
  "title": "Improved Separations between Quantum and Classical Communication Complexity of Total Functions",
  "title_text": "Improved Separations between Quantum and Classical Communication Complexity of Total Functions",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:01Z",
  "url": "https://research.draconitic.com/paper/9bfbpbn009ebg",
  "venue": "arXiv",
  "versions": []
}