Chordal Graphs and Semidefinite Optimization (Paperback)

Chordal graphs play a central role in techniques for exploiting sparsity in large semidefinite optimization problems, and in related convex optimization problems involving sparse positive semidefinite matrices. Chordal graph properties are also fundamental to several classical results in combinatorial optimization, linear algebra, statistics, signal processing, machine learning, and nonlinear optimization. This book covers the theory and applications of chordal graphs, with an emphasis on algorithms developed in the literature on sparse Cholesky factorization. These algorithms are formulated as recursions on elimination trees, supernodal elimination trees, or clique trees associated with the graph. The best known example is the multifrontal Cholesky factorization algorithm but similar algorithms can be formulated for a variety of related problems, such as the computation of the partial inverse of a sparse positive definite matrix, positive semidefinite and Euclidean distance matrix completion problems, and the evaluation of gradients and Hessians of logarithmic barriers for cones of sparse positive semidefinite matrices and their dual cones. This monograph shows how these techniques can be applied in algorithms for sparse semidefinite optimization. It also points out the connections with related topics outside semidefinite optimization, such as probabilistic networks, matrix completion problems, and partial separability in nonlinear optimization.

General

Imprint:	Now Publishers Inc
Country of origin:	United States
Series:	Foundations and Trends (R) in Optimization
Release date:	June 2015
First published:	2015
Authors:	Lieven Vandenberghe • Martin S. Andersen
Dimensions:	234 x 156 x 12mm (L x W x T)
Format:	Paperback
Pages:	216
ISBN-13:	978-1-68083-038-5
Categories:	Books > Professional & Technical > Energy technology & engineering > Electrical engineering > General
LSN:	1-68083-038-4
Barcode:	9781680830385

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