Abstract

Lemma 3.2 proves the multivariable polynomial-good estimate used for the exterior-power covolume functions in Shi's arithmetic nondivergence argument.

Role in dependence graphs

Proof-critical source

Bounded trajectories of quasi-rays

This paper is included only for the following marked statement:

  • Lemma 3.2 · source p. 8Shows that every degree-l\leq l polynomial on Rd\mathbb{R}^d is (Cd,l,1/(dl))(C_{d,l},1/(dl))-good, verifying the good-function hypothesis in Shi's arithmetic nondivergence branch.

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Audited against an explicitly disclosed arXiv fallback

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arXiv:math/0210298v1 · explicit fallback for version of record

Victor Bernik, Dmitry Kleinbock, G. A. Margulis. Khintchine-type theorems on manifolds: the convergence case for standard and multiplicative versions. International Mathematics Research Notices 2001(9), 453–486 (2001). Reviewed form: arXiv:math/0210298v1.

The dependence graph cites the published article, but the fixed arXiv source is the proof-bearing form previously audited in the corpus. This report reuses that exact source audit and does not claim to audit the version of record.

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Generated August 23, 2026
01Statements2 reported findingsCorrect

The convergence Khintchine-type theorem for nondegenerate manifolds, including its multiplicative form, is correct under the stated smoothness and summability hypotheses.

Theorem 1.1Correct

The convergence theorem has the correct scope

Pages 2–4 · Theorem 1.1 · arXiv:math/0210298v1

The nondegeneracy condition supplies uniform control outside a null exceptional set, and the displayed convergence series is the one required after decomposing integer coefficients into dyadic blocks. The standard and multiplicative conclusions retain the correct almost-everywhere quantifiers.

Full paper, version 1
Theorems 1.3 and 1.4Correct

The large- and small-gradient estimates support the main theorem

Pages 5–9 · Theorems 1.3–1.4 · arXiv:math/0210298v1

The large-gradient part is controlled by a change-of-variables estimate, while the small-gradient part is reduced to quantitative non-divergence for the associated lattices. Their parameter ranges cover the dyadic decomposition used in Theorem 1.1.

02Proofs2 reported findingsCorrect

The gradient decomposition, quantitative non-divergence argument, and final Borel-Cantelli summation are correct and complete.

Large-gradient argumentCorrect and complete

The local measure estimate is complete

Pages 9–13 · proof of Theorem 1.3 · arXiv:math/0210298v1

A coordinate with uniformly large derivative is selected on each local chart, and Fubini together with one-dimensional monotonicity gives the required measure bound with constants uniform over each dyadic block.

Small-gradient and summation argumentCorrect and complete

Quantitative non-divergence gives a summable exceptional set

Pages 13–27 · proof of Theorem 1.4 and completion of Theorem 1.1 · arXiv:math/0210298v1

The exterior-power lower bounds required by quantitative non-divergence follow from nondegeneracy, and the resulting estimates remain summable after the multiplicative dyadic partition. Borel-Cantelli then yields exactly the claimed null set.

03Novelty0 reported findingsNo non-novelty findings

No non-novelty findings.

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