On parametrization of linear pseudo-differential boundary value control systems

The paper considers pseudo-differential boundary value control systems. The underlying operators form an algebra D with the help of which we are able to formulate typical boundary value control problems. The symbolic calculus gives tools to form e.g. compositions, formal adjoints, generalized right...

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Published in:arXiv.org 2007-04
Main Authors: Tervo, Jouko, Nihtilä, Markku, Kokkonen, Petri
Format: Article
Language:English
Subjects:
Adjoints
Boundary value problems
Control systems
Homology
Mathematical analysis
Operators (mathematics)
Parameterization
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Nihtilä, Markku
Kokkonen, Petri
description The paper considers pseudo-differential boundary value control systems. The underlying operators form an algebra D with the help of which we are able to formulate typical boundary value control problems. The symbolic calculus gives tools to form e.g. compositions, formal adjoints, generalized right or left inverses and compatibility conditions. By a parametrizability we mean that for a given control system Au=0 one finds an operator S such that Au=0 if and only if u=Sf. The computation rules of D (or its appropriate subalgebra D') guarantee that in many applications S can be refinely analyzed or even explicitly calculated. We outline some methods of homological algebra for the study of parametrization S. Especially the projectivity of a certain factor module (defined by the system equations) implies the parametrizability. We give some examples to illustrate our computational methods.
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subjects Adjoints
Boundary value problems
Control systems
Homology
Mathematical analysis
Operators (mathematics)
Parameterization
title On parametrization of linear pseudo-differential boundary value control systems
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