Abstract
In the framework of the theory of linear matrix inequalities, a method is proposed for determining all the domains in the parameter space having the property that an affine family of symmetric matrices has the same fixed number of like-sign eigenvalues inside each of the domains. The approach leans on the ideas of D-decomposition; it is particularly efficient in the problems involving few parameters. Generalizations of the method are considered along with its modifications to the presence of uncertainty.
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Original Russian Text © B.T. Polyak, P.S. Shcherbakov, 2006, published in Automatika i Telemekhanika, 2006, No. 11, pp. 159–174.
This work was supported by the Russian Foundation for Basic Research, projects nos. 05-01-00114, 05-08-01177, and the Integrated Research Program no. 22 “Control Processes” of the Presidium of the Russian Academy of Sciences.
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Polyak, B.T., Shcherbakov, P.S. The D-decomposition technique for linear matrix inequalities. Autom Remote Control 67, 1847–1861 (2006). https://doi.org/10.1134/S0005117906110063
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DOI: https://doi.org/10.1134/S0005117906110063