2003
DOI: 10.1137/s0895479801392016
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Reduction to Versal Deformations of Matrix Pencils and Matrix Pairs with Application to Control Theory

Abstract: Abstract. Matrix pencils under the strict equivalence and matrix pairs under the state feedback equivalence are considered. It is known that a matrix pencil (or a matrix pair) smoothly dependent on parameters can be reduced locally to a special typically more simple form, called the versal deformation, by a smooth change of parameters and a strict equivalence (or feedback equivalence) transformation. We suggest an explicit recurrent procedure for finding the change of parameters and equivalence transformation … Show more

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Cited by 10 publications
(11 citation statements)
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“…A local structure of the orbit O(α 0 ) near the point α 0 is determined by the range of the mapping df α0 and null-space of df * α0 as follows [8]:…”
Section: Equivalence Classes and Their Local Structure Let Us Considmentioning
confidence: 99%
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“…A local structure of the orbit O(α 0 ) near the point α 0 is determined by the range of the mapping df α0 and null-space of df * α0 as follows [8]:…”
Section: Equivalence Classes and Their Local Structure Let Us Considmentioning
confidence: 99%
“…Nevertheless, a reduction to the Brunovsky form generally cannot be achieved by the feedback equivalence transformation γ(p) smoothly dependent on parameters. The following theorem proved in [6,8] provides another form called a versal deformation that can be used for multiparameter families of matrix pairs. Note that the concept of versal deformation was first introduced by Arnold [1] for families of square complex matrices; see also [14] for the generalization to the case of a Lie group acting on a complex manifold.…”
Section: Versal Deformationmentioning
confidence: 99%
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“…The triple of matrices s h ∈ M has the form Proof: Analogous to the case of pairs of matrices given in [6].…”
Section: Reduction To Miniversal Deformationmentioning
confidence: 99%