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A new positive definite geometric mean of two positive definite matrices

✍ Scribed by Miroslav Fiedler; Vlastimil Pták


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
900 KB
Volume
251
Category
Article
ISSN
0024-3795

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## Abstract We consider Hamiltonian matrices obtained by means of symmetric and positive definite matrices and analyse some perturbations that maintain the eigenvalues on the imaginary axis of the complex plane. To obtain this result we prove for such matrices the existence of a diagonal form or, a