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[#P3146] Is VP equal to VNP?

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Problem. Over a fixed field of characteristic zero, is every polynomial family in \(\mathrm{VNP}\) computable by polynomial-size arithmetic circuits of polynomial formal degree, equivalently is \(\mathrm{VP}=\mathrm{VNP}\)?

Permanent polynomial compared with a compact arithmetic circuit.
A structural automaton diagram of the statement's mathematical objects.
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Definitions and notation

1Context

Known frontier: Exponential lower bounds are known for restricted arithmetic models, while unrestricted explicit lower bounds remain far smaller. Open boundary: No superpolynomial lower bound for an explicit VNP family in general arithmetic circuits is known.

2Problem setup

Definition 1 (VP). Polynomial-degree polynomial families computed by polynomial-size arithmetic circuits.

Definition 2 (VNP). Families expressible as exponential Boolean sums of a VP family.

Remark 1. This is the algebraic analogue of P versus NP. Valiant's permanent family is VNP-complete, so polynomial-size arithmetic circuits for the permanent would imply equality.

3What counts as a solution

  • Construct polynomial-size circuits for every VNP family, equivalently for a standard VNP-complete family.
  • Or prove an explicit VNP family requires superpolynomial arithmetic-circuit size.

1Status

Saved packet · August 1, 2026

What counts as a solution

Saved packet status (Current status and exact unresolved remainder). OPEN as checked on 2026-08-01. Strongest checked neighboring result: Exponential lower bounds are known for restricted arithmetic models, while unrestricted explicit lower bounds remain far smaller. Exact unresolved remainder: No superpolynomial lower bound for an explicit VNP family in general arithmetic circuits is known.[1][2]

1Packet records

4 records

Notes and companion material

Original intake status. OPEN as checked on 2026-08-01. Strongest checked neighboring result: Exponential lower bounds are known for restricted arithmetic models, while unrestricted explicit lower bounds remain far smaller. Exact unresolved remainder: No superpolynomial lower bound for an explicit VNP family in general arithmetic circuits is known.

  • Equivalent-formulation queries: VP versus VNP open 2025 survey; permanent arithmetic circuit lower bound VP VNP current
  • Strongest checked neighboring result: Exponential lower bounds are known for restricted arithmetic models, while unrestricted explicit lower bounds remain far smaller.
  • Exact unresolved remainder: No superpolynomial lower bound for an explicit VNP family in general arithmetic circuits is known.

2See also

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Plain text
“Is VP equal to VNP?.” TheoremDB. P3146. Problem statement; statement text SHA-256 be4009d8483e6fb046c60a846b9dafd89fa33167aae39e3b989de4f38af9f9f9. https://theoremdb.org/statement/?ref=P3146
BibTeX
@misc{theoremdb-problem-be4009d8483e6fb046c60a846b9dafd89fa33167aae39e3b989de4f38af9f9f9,
  title = {{Is VP equal to VNP?}},
  howpublished = {TheoremDB},
  note = {Problem statement; statement text SHA-256 be4009d8483e6fb046c60a846b9dafd89fa33167aae39e3b989de4f38af9f9f9},
  url = {https://theoremdb.org/statement/?ref=P3146}
}

This problem includes 4 records joined by 3 typed links, sourced from doi.org[1], current as of August 1, 2026.

1References

  1. Packet source. L. G. Valiant, “Completeness classes in algebra”. Proceedings of the eleventh annual ACM symposium on Theory of computing - STOC '79 (1979), 249-261. DOI 10.1145/800135.804419. VP, VNP, and permanent completeness. ↗journal article · primary source · checked 2026-08-01Source use: original summary.Introduces the classes and the complete-family framework.Also cited at L. Valiant, Completeness classes in algebra, STOC 1979. VP, VNP, and permanent completeness.Source used to assess the problem's recorded status.For Is VP equal to VNP?: This is the dated publication status for the canonical target Is VP equal to VNP?.Source named by the research packet.
  2. ECCC TR25-083, Polynomial factorisation and algebraic complexity survey (2025). Section 4.5 and Open Problem 4.5.1. ↗journal article · secondary source · ECCC TR25-083 record checked 2026-08-01 · checked 2026-08-01Source use: original summary.Reviews current algebraic classes and records unresolved separations including VP versus VNP.Source used to assess the problem's recorded status.For Is VP equal to VNP?: Reviews current algebraic classes and records unresolved separations including VP versus VNP.

Original TheoremDB editorial statement and source synthesis; external works are used for citation only.

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