Extremal rays and duals for cones of positive definite matrices with prescribed zeros
type: Item
instance of: scholarly article
title: Extremal rays and duals for cones of positive definite matrices with prescribed zeros
zbMATH Open document ID: 1106.05063
author: Gérard Letac
author: Hélène Massam
published in: Linear Algebra and its Applications
publication date: 2006-12-07T00:00:00Z
Mathematics Subject Classification ID: 05C50
Mathematics Subject Classification ID: 15B48
zbMATH DE Number: 5078008
zbMATH Keywords: graphical models
zbMATH Keywords: covariance selection models
zbMATH Keywords: decomposable graphs
zbMATH Keywords: chordal graphs
zbMATH Keywords: positive definite completion problem
zbMATH Keywords: four cycle graphs
zbMATH Keywords: convex cone
zbMATH Keywords: maximal cliques
MaRDI profile type: Publication
full work available at URL: j.laa.2006.03.017
OpenAlex ID: W2020871539
cites work: The real positive definite completion problem for a simple cycle
cites work: The real positive definite completion problem: cycle completability
cites work: Positive definite completions of partial Hermitian matrices
cites work: Matrix inequalities
cites work: Q4382293
cites work: Estimation and testing for lattice conditional independence models on Euclidean Jordan algebras
cites work: Q4321748
DOI: 10.1016/J.LAA.2006.03.017
description: scientific article; zbMATH DE number 5078008