Results · Quantum correlations

Critical Bellman–Jacobi dynamics for reversible Bell functionals

In plain wordsFor a family of nonlocality tests with three settings and two outcomes, under two conditions verified for the I3322 test, the best quantum score is reached by an infinite quantum system but by no finite one, and finite systems of size growing like log(1/ε) come within ε.

The result

As the paper states it, in briefFor a parameterized class of three-setting binary Bell functionals, a strict wall gap and an exactly certifiable endpoint barrier give finite-dimensional nonattainment, attainment by an infinite-dimensional spatial strategy, and nonclosure; for I3322 this proves the Pál–Vértesi nonattainment conjecture. The theory also gives the constructive bound D(ε)=O(log⁡(1/ε)).

Questionson the index

How this was checked

The author’s own checks
The author’s own checks: exact certificates and independent algebraic verification programs. Reproducibility package doi:10.5281/zenodo.21910110; verification archive doi:10.5281/zenodo.22801636.
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Novelty and credit

Novelty
Concurrent with named independent work: in the paper’s words, “in contemporaneous independent work, Douglas established the overlapping I3322-specific finite-nonattainment and spatial-attainment conclusions”; the parameter-general critical theory is the paper’s own. For I3322 alone, Pauwels and Coladangelo also proved nonattainment independently (see the I3322 entry above).

Versionstwo, each with its own DOI

Every archived version, newest first. Dates are Zenodo publication dates. All versions: 10.5281/zenodo.21910040, which always resolves to the newest.
VersionDateDOINotes
—10.5281/zenodo.22688831
first10.5281/zenodo.21910041

Paper, code and links

Paper

On Zenodo: doi:10.5281/zenodo.22688831. No copy is hosted here.

Corrections

None so far.

All corrections, and what counts as one.

Cite

@misc{mghirbi2026criticalbellmanjacobi,
  author = {Mghirbi, Nidhal},
  title  = {Critical {Bellman}–Jacobi dynamics for reversible {B}ell functionals},
  year   = {2026},
  doi    = {10.5281/zenodo.22688831},
  url    = {https://doi.org/10.5281/zenodo.22688831}
}

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