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Record W4417491674 · doi:10.1098/rsbm.2025.0013

Nicholas Kaiser

2025· article· en· W4417491674 on OpenAlexaff
J. A. Peacock, J. Richard Bond, Joseph Silk

Bibliographic record

VenueBiographical Memoirs of Fellows of the Royal Society · 2025
Typearticle
Languageen
FieldPhysics and Astronomy
TopicGalaxies: Formation, Evolution, Phenomena
Canadian institutionsUniversity of Toronto
FundersUniversity of EdinburghUniversity of OxfordRoyal Astronomical SocietyCalifornia Institute of Technology
KeywordsGalaxyDark matterMeasure (data warehouse)GravitationDark energyCluster analysisCosmologyWeak gravitational lensing

Abstract

fetched live from OpenAlex

Abstract Nick Kaiser was a statistical cosmologist of rare creativity, who wrote many deeply influential papers concerning the study of large-scale inhomogeneities in the Universe. His most important achievements were: explaining the biased amplitude of galaxy clustering via the enhanced correlations of rare massive haloes of dark matter; diagnosing how the peculiar velocities associated with structure formation would generate anisotropic redshift-space distortions in galaxy clustering; and analysing the effect of weak gravitational lensing, in which small coherent distortions of the shape of galaxy images could be used to map the dark matter distribution and measure its statistical properties. These theoretical ideas are at the heart of new generations of large galaxy surveys, which aim to use Nick’s methods to probe fundamental aspects of the cosmological model, particularly measuring whether the vacuum density evolves with time, and testing whether Einstein’s relativistic theory of gravity is correct on cosmological scales.

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 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)0.000
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: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.010
Threshold uncertainty score0.493

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.001
Bibliometrics0.0000.001
Science and technology studies0.0000.000
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 head0.005
GPT teacher head0.211
Teacher spread0.206 · 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 teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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

Citations0
Published2025
Admission routes1
Has abstractyes

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