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Record W2062725515 · doi:10.1016/j.crma.2010.06.022

Inversion dans les tournois

2010· article· fr· W2062725515 on OpenAlexaff
Houmem Belkhechine, Moncef Bouaziz, Imed Boudabbous, Maurice Pouzet

Bibliographic record

VenueComptes Rendus Mathématique · 2010
Typearticle
Languagefr
FieldComputer Science
TopicAdvanced Graph Theory Research
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsCombinatoricsMathematicsHumanitiesPhysicsPhilosophy

Abstract

fetched live from OpenAlex

Nous considérons la transformation qui inverse tous les arcs d'une partie X de l'ensemble des sommets d'un tournoi T . L' indice de T , noté i ( T ) , est le plus petit nombre de parties dont il faut inverser les arcs pour ramener T à un tournoi acyclique. Il apparaît que les tournois critiques et les tournois ( − 1 ) -critiques peuvent être définis au moyen d'inversions, les premiers étant d'indice un ou deux, les seconds d'indice au plus quatre. On peut voir i ( T ) comme le minimum de la distance de T aux tournois acycliques définis sur le même ensemble de sommets ; la distance entre deux tournois T et T ′ peut être également interprétée comme la dimension booléenne d'un graphe, celui-ci étant la somme booléenne de T et T ′ . Sur n sommets, la distance maximale vaut n − 1 tandis que i ( n ) , le maximum des indices des tournois à n sommets, satisfait les inégalités n − 1 2 − log 2 n ⩽ i ( n ) ⩽ n − 3 pour n ⩾ 4 . Soit I m < ω (resp. I m ⩽ ω ), la classe des tournois finis (resp. au plus dénombrables) T tels que i ( T ) ⩽ m . La classe I m < ω est déterminée par un nombre fini d'obstructions ; nous donnons une description morphologique des éléments de I 1 < ω et décrivons ses obstructions. Nous décrivons aussi un tournoi universel de la classe I m ⩽ ω .

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)0.001
metaresearch head score (Gemma)0.005
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 score0.022
Threshold uncertainty score0.073

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.005
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.001
Bibliometrics0.0010.001
Science and technology studies0.0020.005
Scholarly communication0.0040.003
Open science0.0010.002
Research integrity0.0010.004
Insufficient payload (model declined to judge)0.0220.004

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 head0.034
GPT teacher head0.295
Teacher spread0.261 · 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

Citations13
Published2010
Admission routes1
Has abstractyes

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