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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

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0111 · Feb 202119922001200920172026
3 results for “psychosis”
Localized Sparse Principal Component Analysis of Multivariate Time Series in Frequency Domainstat.ME

The paper introduces a method for interpretable principal component analysis of high-dimensional time series.

problem Inconsistent and difficult-to-interpret principal component estimates in high-dimensional regimes.
method Localized sparse principal component analysis of spectral density matrices in frequency domain.
result Efficient algorithm for sparse-localized estimates of principal subspaces.
principal component analysissparse principal componentshigh-dimensional time seriesfrequency domainresting-state EEG
2024-08-15abs ↗pdf ↗
Bayesian Inference of Psychometric Variables From Brain and Behavior in Implicit Association Testscs.LG

Bayesian model predicts mental health symptoms from IAT data, improving accuracy over D-score.

problem Limited predictive performance of D-score method for mental health assessment.
method Sparse hierarchical Bayesian model leveraging multi-modal data.
result AUCs of 0.73 (E-IAT) and 0.76 (PSY-IAT) in best modality configurations, significant after FDR correction.
Bayesian inferencepsychometric variablesImplicit Association Testmental healthpsychosis
2026-03-17abs ↗pdf ↗