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Record W2129388296 · doi:10.1145/1113439.1113456

The RegularChains library in MAPLE

2005· article· en· W2129388296 on OpenAlexaff
François Lemaire, Marc Moreno Maza, Yongjian Xie

Bibliographic record

VenueACM SIGSAM Bulletin · 2005
Typearticle
Languageen
FieldComputer Science
TopicPolynomial and algebraic computation
Canadian institutionsWestern University
Fundersnot available
KeywordsModuloArithmeticCombinatoricsMathematics

Abstract

fetched live from OpenAlex

Performing calculations modulo a set of relations is a basic technique in algebra. For instance, computing the inverse of an integer modulo a prime integer or computing the inverse of the complex number 3 + 2t modulo the relation ℓ2 + 1 = 0. Computing modulo a set S containing more than one relation requires from S to have some mathematical structure. For instance, computing the inverse of p = x + y modulo S = {x2 + y + 1,y2 + x + 1} is difficult unless one realizes that this question is equivalent to computing the inverse of p modulo C = {x4 + 2x2 + x + 2,y + x2 + 1}. Indeed, from there one can simplify p using y = -x2 - 1 leading to q = -x2 + x - 1 and compute the inverse of q modulo x4 + 2x2 + x + 2 (using the extended Euclidean algorithm) leading to -1/2x3 - 1/2x. One commonly used mathematical structure for a set of algebraic relations is that of a Gröbner basis. It is particularly well suited for deciding whether a quantity is null or not modulo a set of relations. For inverse computations, the notion of a regular chain is more adequate. For instance, computing the inverse of p = x + y modulo the set C = {y2 - 2x + 1,x2 - 3x + 2}, which is both a Gröbner basis and a regular chain, is easily answered in this latter point of view. Indeed, it naturally leads to consider the GCD of p and Cy = y2 - 2x + 1 modulo the relation Cx = x2 - 3x + 2 = 0, which is [EQUATION] This shows that p has no inverse if x = 1 and has an inverse (which can be computed and which is -y + 2) if x = 2.

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)0.006
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Software · Consensus signal: Software
Teacher disagreement score0.355
Threshold uncertainty score0.920

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.006
Meta-epidemiology (narrow)0.0020.002
Meta-epidemiology (broad)0.0020.003
Bibliometrics0.0020.003
Science and technology studies0.0010.001
Scholarly communication0.0040.006
Open science0.0040.005
Research integrity0.0010.003
Insufficient payload (model declined to judge)0.3550.253

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 head0.009
GPT teacher head0.210
Teacher spread0.202 · 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.

Study designNot applicable
Domainnot available
GenreSoftware

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

Citations39
Published2005
Admission routes1
Has abstractyes

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Same venueACM SIGSAM BulletinSame topicPolynomial and algebraic computationFrench-language works237,207