On-device research index

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.

169,291 papers · 148 categories

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2 results for “G-Wishart”

The Inverse G-Wishart Distribution and Variational Message Passingstat.ML

New distribution simplifies covariance matrix inference.

problem Efficient inference for covariance matrices in large models.

method Incorporates Inverse G-Wishart distribution for variational message passing.

result Elegant and succinct expression of variational message passing fragments.

covariance matrix variational inference G-Wishart distribution message passing

2020-05-20abs ↗pdf ↗

Accelerating Bayesian Structure Learning in Sparse Gaussian Graphical Modelsmath.ST

New algorithm speeds up Bayesian structure learning in Gaussian graphical models.

problem Computational bottleneck in evaluating ratios of G-Wishart normalizing constants.

method Explicit closed-form approximation of the ratio of normalizing constants within the search algorithm.

result Significant improvement in scalability of structure learning without sacrificing accuracy.

Bayesian structure learning Gaussian graphical models G-Wishart search algorithms scalability

2017-06-14abs ↗pdf ↗