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On the Determination of the Strong Stabilizability of an
                 n-Dimensional Linear System
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Ying Jiangqian

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Date:  July 19th (Friday) \\
Time:  16:10-16:30\\

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Abstract
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An n-dimensional linear system described by a rational transfer function is stable by definition if
the function is free from 0 on the n-D polydisc in the complex space. A system is said to be
strongly stabilizable if there exists a stable compensator that makes the system stable. A
topological condition was recently derived by Shiva Shankar [1] to determine whether a system can
can be strongly stabilized or not. In this talk we show that in certain restricted case this topological
condition can be reduced to a geometrical one and can be solved based the cylindrical algebraic
decomposition of complex algebraic variety. [1] Shiva Shankar, An Obstruction to the
Simultaneous Stabilization of Two n-D plants, Acta Applicandae Mathematicae 36:289-301,1994 

