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  "problem_id": "vibemathed:regts-sevenster-mixed-partition-functions",
  "title": "Mixed Partition Functions and Exponentially Bounded Edge-Connection Rank",
  "canonical_statement": "Regts and Sevenster conjectured that a complex-valued graph parameter $f$ with $f(\\varnothing)=1$ has exponentially bounded edge-connection rank precisely when it is a mixed partition function. The paper proves it, with the numbers of even and odd colours bounded in terms of the rank bound.",
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      "title": "arXiv",
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