MétaCan
Menu
Back to cohort
Record W2045950480 · doi:10.1112/s0024609303002881

ON THE STABLE RANK OF ALGEBRAS OF OPERATOR FIELDS OVER AN $N$-CUBE

2004· article· en· W2045950480 on OpenAlexaff
Ping Wong Ng, Takahiro Sudo

Bibliographic record

VenueBulletin of the London Mathematical Society · 2004
Typearticle
Languageen
FieldMathematics
TopicAdvanced Operator Algebra Research
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsMathematicsRank (graph theory)Cube (algebra)Bounded functionUnitalBase (topology)Operator (biology)Mathematics Subject ClassificationOperator algebraCombinatoricsPure mathematicsAlgebra over a fieldMathematical analysisChemistry

Abstract

fetched live from OpenAlex

Let A be a unital maximal full algebra of operator fields with base space [0, 1]k and fibre algebras { A t } t ∈ [ 0 , 1 ] k . It is shown in this paper that the stable rank of A is bounded above by the quantity sup t ∈ [ 0 , 1 ] k sr ( C ( [ 0 , 1 ] k ) ⊗ A t ) , where ‘sr’ means stable rank. Using the above estimate, the stable ranks of the C*-algebras of the (possibly higher rank) discrete Heisenberg groups are computed. 2000 Mathematics Subject Classification 47L99.

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: Empirical
Teacher disagreement score0.003
Threshold uncertainty score0.011

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.008
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.001
Science and technology studies0.0010.003
Scholarly communication0.0030.004
Open science0.0010.002
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0030.000

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 head0.030
GPT teacher head0.309
Teacher spread0.279 · 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

Citations5
Published2004
Admission routes1
Has abstractyes

Explore more

Same venueBulletin of the London Mathematical SocietySame topicAdvanced Operator Algebra ResearchFrench-language works237,207