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20072026
most citedA convex pseudo-likelihood framework for high dimensional partial correlation estimation with convergence guarantees

118 citations · 351 across the 40 of their papers we have counts for

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Showing 2011Show all

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math.CO2011

Sparse Matrix Decompositions and Graph Characterizations

Kshitij Khare, Bala Rajaratnam

The question of when zeros (i.e., sparsity) in a positive definite matrix are preserved in its Cholesky decomposition, and vice versa, was addressed by Paulsen et al. in the Jo…

math.ST2011★ 53 cited

Wishart distributions for decomposable covariance graph models

Kshitij Khare, Bala Rajaratnam

Gaussian covariance graph models encode marginal independence among the components of a multivariate random vector by means of a graph . These models are distinctly different fr…