Author

Gopal K. Basak

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Preprint Jul 2026

Estimation of multiple precision matrices under shared support with heterogeneous edge strengths

The Multiplicative Graphical Lasso (Mglasso) is introduced, a method for jointly estimating precision matrices across multiple Gaussian graphical models under a shared sparsity constraint that establishes the local strict convexity of the objective function and provides rigorous high-dimensional consistency guarantees.

S. Bhowal, Debashis Paul, Gopal K. Basak et al. · 0 citations