Wiki
Wiki

Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.

source_record.json

json
{
  "title": "Transversals and Matroid Partition",
  "authors": [
    "Jack Edmonds",
    "D. R. Fulkerson"
  ],
  "journal": "Journal of Research of the National Bureau of Standards - B. Mathematics and Mathematical Physics",
  "volume": "69B",
  "issue": "3",
  "year": 1965,
  "issue_date": "July-September 1965",
  "printed_pages": "147-153",
  "doi": "10.6028/jres.069B.016",
  "canonical_pdf": {
    "file": "edmonds_1965_transversals_matroid_partition.pdf",
    "bytes": 8638673,
    "physical_pages": 7,
    "version": "Published journal scan"
  },
  "primary_urls": [
    "https://nvlpubs.nist.gov/nistpubs/jres/69B/jresv69Bn3p147_A1b.pdf",
    "https://www.nist.gov/nist-research-library/journal-research-volume-69b",
    "https://api.crossref.org/works/10.6028%2Fjres.069B.016"
  ],
  "accessed": "2026-09-05",
  "header_date": "June 9, 1965; its parenthetical printing is not reinterpreted as received or accepted.",
  "metadata_notes": [
    "The printed original gives Fulkerson and pp.147-153; Crossref truncates the surname to Fulkerso and records only page 147.",
    "The first-page conference footnote prints August 21 to July 1, 1965. No corrected conference date is inferred.",
    "Digital creation/modification dates in 2010/2011 concern the scan, not a separate mathematical version."
  ],
  "version_limit": "No distinct manuscript or author version is retained or claimed equivalent.",
  "reading": {
    "physical_pages_visually_read": [
      1,
      2,
      3,
      4,
      5,
      6,
      7
    ],
    "printed_pages": [
      147,
      148,
      149,
      150,
      151,
      152,
      153
    ],
    "method": "Original-detail page renders; preexisting text only for navigation; no OCR run."
  },
  "proof_boundary": "Local matroid proofs, flow reductions and matching lifting are reconstructed. Hall, Konig, integral max-flow/min-cut and the exact separate Edmonds matching-structure theorem remain external."
}