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Matrix Theory pp 199-252 | Cite as

Positive Semidefinite Matrices

  • Fuzhen ZhangEmail author
Chapter
Part of the Universitext book series (UTX)

Abstract

This chapter studies the positive semidefinite matrices, concentrating primarily on the inequalities of this type of matrix. The main goal is to present the fundamental results and show some often-used techniques. Section 7.1 gives the basic properties, Section 7.2 treats the L¨owner partial ordering of positive semidefinite matrices, and Section 7.3 presents some inequalities of principal submatrices. Section 7.4 derives inequalities of partitioned positive semidefinite matrices using Schur complements, and Section 7.5 and 7.6 investigate the Hadamard product of the positive semidefinite matrices. Finally, Section 7.7 shows the Cauchy–Schwarz type matrix inequalities and the Wielandt and Kantorovich inequalities.

Keywords

Diagonal Entry Block Matrix Complex Matrix Hermitian Matrix Hermitian Matrice 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Division of Math, Science, and TechnologyNova Southeastern UniversityFort LauderdaleUSA

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