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Record W4237366199 · doi:10.1090/s0025-5718-05-01766-7

Aurifeuillian factorization

2005· article· lv· W4237366199 on OpenAlexaff
Andrew Granville, P. A. B. Pleasants

Bibliographic record

VenueMathematics of Computation · 2005
Typearticle
Languagelv
FieldMathematics
TopicAlgebraic Geometry and Number Theory
Canadian institutionsUniversité de Montréal
FundersReed College
KeywordsAlgorithmComputer scienceAnnotationArtificial intelligence

Abstract

fetched live from OpenAlex

The Cunningham project seeks to factor numbers of the form b n ± 1 b^{n}\pm 1 with b = 2 , 3 , … b=2,3,\dots small. One of the most useful techniques is Aurifeuillian Factorization whereby such a number is partially factored by replacing b n b^{n} by a polynomial in such a way that polynomial factorization is possible. For example, by substituting y = 2 k y=2^{k} into the polynomial factorization ( 2 y 2 ) 2 + 1 = ( 2 y 2 − 2 y + 1 ) ( 2 y 2 + 2 y + 1 ) (2y^{2})^{2}+1=(2y^{2}-2y+1)(2y^{2}+2y+1) we can partially factor 2 4 k + 2 + 1 2^{4k+2}+1 . In 1962 Schinzel gave a list of such identities that have proved useful in the Cunningham project; we believe that Schinzel identified all numbers that can be factored by such identities and we prove this if one accepts our definition of what “such an identity” is. We then develop our theme to similarly factor f ( b n ) f(b^{n}) for any given polynomial f f

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.008
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: Theoretical or conceptual
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.113
Threshold uncertainty score0.379

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.008
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0010.002
Bibliometrics0.0030.002
Science and technology studies0.0040.003
Scholarly communication0.0060.007
Open science0.0020.005
Research integrity0.0010.003
Insufficient payload (model declined to judge)0.1130.047

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.027
GPT teacher head0.289
Teacher spread0.262 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designTheoretical or conceptual
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations7
Published2005
Admission routes1
Has abstractyes

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