Role in dependence graphs

Proof-critical source

Winning property of counterexamples to Uniform Littlewood's Conjecture

This paper is included only for the following marked statements:

  • Lemma 2.1 · Acta Arithmetica pp. 146–148The potential-game strategy partitions dangerous rationals and assigns a common rational line to each block.
  • Lemma 2.4 · Acta Arithmetica pp. 149–150The hyperplane-potential deletion family meets the required budget and forces avoidance.
  • Theorem 1.1 · Acta Arithmetica p. 145; proof pp. 150–152Bad(s,t)\mathbf{Bad}(s,t) is HAW for every nonnegative s,ts,t with s+t=1s+t=1.

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Acta Arithmetica version of record

Erez Nesharim and David Simmons. Bad(s,t)\mathbf{Bad}(s,t) is hyperplane absolute winning. Acta Arithmetica 164 (2014), no. 2, 145–152.

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Generated August 27, 2026
01Statements2 reported findingsNo statement issues found

The theorem that Bad(s,t)\mathbf{Bad}(s,t) is hyperplane absolute winning is correct for every nonnegative s,ts,t with s+t=1s+t=1.

Theorem 1.1No issue found

Weighted badly approximable pairs are HAW

VOR p. 145 · Theorem 1.1; proof pp. 150–152

For positive weights, the potential-game construction deletes line neighborhoods covering every dangerous rational rectangle. The endpoint cases reduce to the one-dimensional absolute-winning theorem. FSU's game equivalence then gives HAW.

Lemma 2.1 source locatorCorrect citation after version-number clarification

The imported An result is the 1204.3610 paper, not An13

VOR pp. 146–147 · Lemma 2.1 and explanatory Remark 2.2; reference [An] p. 152

The bibliography identifies arXiv:1204.3610, later published as An16. NS14 calls the source result Lemma 4.2 because it used an older manuscript version. Current arXiv v2 labels the same common-strip statement Corollary 4.2. An13/arXiv:1203.2996 is not this source.

02Proofs2 reported findingsNo proof issues found

The potential-game budget, scale synchronization, and avoidance conclusion are correct.

Proof of Theorem 1.1No issue found in the reviewed proof

The deletion budget converges and every dangerous rational is eventually covered

VOR pp. 150–152

The geometric series over depth kk stays below the legal potential budget once RR is chosen large. Lemma 2.1 supplies a single line for each class, and the first relevant scale for any rational point forces the outcome outside its dangerous rectangle. Equation (2.1) then places the outcome in Bad(s,t)\mathbf{Bad}(s,t).

Lemma 2.4No issue found in the reviewed proof

Potential winning converts to absolute winning at the required parameters

VOR p. 149 · Lemma 2.4

Lemma 2.4 is the stated specialization of FSU Theorem C.8. Its quantifiers match the use in the proof: establishing hyperplane potential winning for every β\beta and cc is sufficient for HAW.

03Novelty0 reported findingsNo novelty concerns found

No non-novelty findings.

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