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Record W1944508940 · doi:10.1090/s0002-9939-06-07916-0

Simple real rank zero algebras with locally Hausdorff spectrum

2006· article· en· W1944508940 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueProceedings of the American Mathematical Society · 2006
Typearticle
Languageen
FieldMathematics
TopicAdvanced Operator Algebra Research
Canadian institutionsUniversity of New BrunswickFields Institute for Research in Mathematical Sciences
Fundersnot available
KeywordsMathematicsHausdorff spaceRank (graph theory)Zero (linguistics)Bounded functionSeparable spaceSpectrum (functional analysis)Simple (philosophy)CombinatoricsHausdorff dimensionDimension (graph theory)Locally compact spaceDiscrete mathematicsMathematical analysis

Abstract

fetched live from OpenAlex

Let $\mathcal {A}$ be a unital, simple, separable $C^*$-algebra with real rank zero, stable rank one, and weakly unperforated ordered $K_0$ group. Suppose, also, that $\mathcal {A}$ can be locally approximated by type I algebras with Hausdorff spectrum and bounded irreducible representations (the bound being dependent on the local approximating algebra). Then $\mathcal {A}$ is tracially approximately finite dimensional (i.e., $\mathcal {A}$ has tracial rank zero). Hence, $\mathcal {A}$ is an $AH$-algebra with bounded dimension growth and is determined by $K$-theoretic invariants. The above result also gives the first proof for the locally $AH$ case.

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.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation 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 score0.086
Threshold uncertainty score0.944

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0000.002
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.014
GPT teacher head0.289
Teacher spread0.275 · 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