Nested covariance determinants and restricted trek separation in Gaussian graphical models
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Publication:2203613
DOI10.3150/19-BEJ1179zbMath1476.62119arXiv1807.07561MaRDI QIDQ2203613
Luca Weihs, Mathias Drton, Elina Robeva
Publication date: 7 October 2020
Published in: Bernoulli (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1807.07561
covariance matrixopen problemsconditional independencegraphical modelVerma constrainttrek separation
Estimation in multivariate analysis (62H12) Analysis of variance and covariance (ANOVA) (62J10) Probabilistic graphical models (62H22) Lists of open problems (00A27) Algebraic statistics (62R01)
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Algebraic properties of HTC-identifiable graphs, Multi-Trek Separation in Linear Structural Equation Models
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