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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.

168,657 papers · 148 categories

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2 results for “k-variance”

k

-Variance: A Clustered Notion of Variancemath.ST

A new measure $k$ -variance captures local distributional shape.

problem Summarizing distributional shape with local information.

method Random bipartite matchings and stochastic approximation.

result Easily approximated

k

-variance measures capture local distributional properties.

k-variance distributional shape local information random bipartite matchings stochastic approximation

2020-12-13abs ↗pdf ↗

Towards Bridging Generalization and Expressivity of Graph Neural Networkscs.LG

This work explores the relationship between expressivity and generalization in GNNs.

problem Understanding the trade-off between expressivity and generalization in GNNs.

method Introducing a novel framework that connects GNN generalization to the variance in graph structures they can capture.

result Theoretical findings align with empirical results, offering a deeper understanding of how expressivity enhances GNN generalization.

Graph Neural Networks Expressivity Generalization Graph Variance Intra-class Concentration

2024-10-14abs ↗pdf ↗