The Gaussian correlation inequality for disjoint Wishart principal minors
The Gaussian correlation inequality for disjoint Wishart principal minors
Let be the Wishart random matrix in the setting of the cited theorem, partitioned into diagonal blocks of widths . Wishart principal-minor Gaussian correlation conjecture. For every and ,
The conjecture is motivated by Gaussian correlation inequalities for the associated multivariate Gamma distribution and would provide an alternative route to a lower bound for products of principal-minor functions. The supplied text gives no resolution status.
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Primary source
Christian Genest, Frédéric Ouimet and Donald Richards, “On the Gaussian product inequality conjecture for disjoint principal minors of Wishart random matrices”, arXiv:2311.00202 (2024).
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