Completely positive matrices
著者
書誌事項
Completely positive matrices
World Scientific, c2003
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注記
Bibliographical references: p. 193-197
内容説明・目次
内容説明
A real matrix is positive semidefinite if it can be decomposed as A=BB′. In some applications the matrix B has to be elementwise nonnegative. If such a matrix exists, A is called completely positive. The smallest number of columns of a nonnegative matrix B such that A=BB′ is known as the cp-rank of A.This invaluable book focuses on necessary conditions and sufficient conditions for complete positivity, as well as bounds for the cp-rank. The methods are combinatorial, geometric and algebraic. The required background on nonnegative matrices, cones, graphs and Schur complements is outlined.
目次
- Matrix Theoretic Background
- Positive Semidefinite Matrices
- Nonnegative Matrices and M-Matrices
- Schur Complements
- Graphs
- Convex Cones
- The PSD Completion Problem
- Complete Positivity: Definition and Basic Properties
- Cones of Completely Positive Matrices
- Small Matrices
- Complete Positivity and the Comparison Matrix
- Completely Positive Graphs
- Completely Positive Matrices Whose Graphs are Not Completely Positive
- Square Factorizations
- Functions of Completely Positive Matrices
- The CP Completion Problem
- CP Rank: Definition and Basic Results
- Completely Positive Matrices of a Given Rank
- Completely Positive Matrices of a Given Order
- When is the CP-Rank Equal to the Rank?
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