Yazar: J. W. Helton

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The fundamental problem in control engineering is to providerobust performance to uncertain plants. H -control theorybegan in the early eighties as an attempt to lay downrigorous foundations on the …

An operator $C$ on a Hilbert space $/mathcal H$ dilates to an operator $T$ on a Hilbert space $/mathcal K$ if there is an isometry $V:/mathcal H/to /mathcal K$ such that $C= V^* TV$. A main result of …