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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 · Oct 202419922001200920172026
3 results for “A-KDE”
Sublinear Sketches for Approximate Nearest Neighbor and Kernel Density Estimationcs.LG

New sublinear sketches improve ANN and KDE for massive data streams.

problem Efficiently approximate nearest neighbors and kernel density estimation in large datasets.
method Developed sublinear space and query time algorithms for ANN and A-KDE in streaming and sliding-window models.
result Achieved near-optimal trade-offs between memory size and approximation error for ANN.
sublinear sketchesANNA-KDEstreamingsliding-window
2025-10-27abs ↗pdf ↗
Density estimation with LLMs: a geometric investigation of in-context learning trajectoriescs.LG

LLMs learn probability density functions in-context, showing distinct learning trajectories.

problem Density estimation of time series data in LLMs.
method Intensive Principal Component Analysis (InPCA) to visualize and analyze LLMs' learning dynamics.
result LLMs follow similar learning trajectories in a low-dimensional InPCA space, distinct from traditional methods.
LLMsDensity EstimationIn-context LearningPrincipal Component AnalysisProbability Modeling
2024-10-07abs ↗pdf ↗