Haoming Wang

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20242026

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math.ST2026

The joint density of top k sample eigenvectors and principal subspace inference

Koki Shimizu, Haoming Wang

In this paper, the exact joint density of the top $k$ sample eigenvectors is derived for any $p \times p$ population covariance matrix $Σ$ , sample size $n > p - 1$ , and $1 \l…

math.AG2026

Real gamma distribution on analytic bundles of flag varieties

Haoming Wang

This paper introduces four matrix normal distributions on analytic bundles of flag varieties, extending the separable covariance $Φ \otimes Ψ$ with potentially variable…