Deciding stability and mortality of piecewise affine dynamical systems
Identifieur interne : 001A70 ( Istex/Corpus ); précédent : 001A69; suivant : 001A71Deciding stability and mortality of piecewise affine dynamical systems
Auteurs : Vincent D. Blondel ; Olivier Bournez ; Pascal Koiran ; Christos H. Papadimitriou ; John N. TsitsiklisSource :
- Theoretical Computer Science [ 0304-3975 ] ; 2001.
English descriptors
- Teeft :
- Attractivity problem, Blondel, Commutative diagram, Computational power, Continuous functions, Convergent, Decision algorithm, Discrete time, Dynamical, Dynamical state space, Dynamical system, Dynamical systems, Elsevier science, Global convergence, Hybrid, Hybrid systems, Immortal trajectory, Immortality problem, Initial point, Internal state, Internal states, Larger class, Linear systems, Main theorem, Metric space, Mortality problem, Nite number, Open problem, Simulation, Special state, State space, Study problems, Symmetrical argument, Theoretical computer science, Trajectory, Trajectory converges, Turing, Turing machine, Turing machines, Undecidability, Undecidable.
Abstract
Abstract: In this paper we study problems such as: given a discrete time dynamical system of the form x(t+1)=f(x(t)) where f:Rn→Rn is a piecewise affine function, decide whether all trajectories converge to 0. We show in our main theorem that this Attractivity Problem is undecidable as soon as n⩾2. The same is true of two related problems: Stability (is the dynamical system globally asymptotically stable?) and Mortality (do all trajectories go through 0?). We then show that Attractivity and Stability become decidable in dimension 1 for continuous functions.
Url:
DOI: 10.1016/S0304-3975(00)00399-6
Links to Exploration step
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<note>This research was partly carried out while Blondel was visiting Tsitsiklis at MIT (Cambridge) and Koiran at ENS (Lyon). This research was supported by the ARO under grant DAAL-03-92-G-0115, by the NATO under grant CRG-961115 and by the European Commission under the TMR (Alapedes) network contract ERBFMRXCT960074.</note>
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<abstract xml:lang="en"><p>Abstract: In this paper we study problems such as: given a discrete time dynamical system of the form x(t+1)=f(x(t)) where f:Rn→Rn is a piecewise affine function, decide whether all trajectories converge to 0. We show in our main theorem that this Attractivity Problem is undecidable as soon as n⩾2. The same is true of two related problems: Stability (is the dynamical system globally asymptotically stable?) and Mortality (do all trajectories go through 0?). We then show that Attractivity and Stability become decidable in dimension 1 for continuous functions.</p>
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<textClass><keywords scheme="keyword"><list><head>Keywords</head>
<item><term>Discrete dynamical systems</term>
</item>
<item><term>Piecewise affine systems</term>
</item>
<item><term>Piecewise linear systems</term>
</item>
<item><term>Hybrid systems</term>
</item>
<item><term>Mortality</term>
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<head><ce:article-footnote><ce:label>☆</ce:label>
<ce:note-para>This research was partly carried out while Blondel was visiting Tsitsiklis at MIT (Cambridge) and Koiran at ENS (Lyon). This research was supported by the ARO under grant DAAL-03-92-G-0115, by the NATO under grant CRG-961115 and by the European Commission under the TMR (Alapedes) network contract ERBFMRXCT960074.</ce:note-para>
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<ce:dochead><ce:textfn>Note</ce:textfn>
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<ce:title>Deciding stability and mortality of piecewise affine dynamical systems</ce:title>
<ce:author-group><ce:author><ce:initials>V.D.</ce:initials>
<ce:given-name>Vincent D.</ce:given-name>
<ce:surname>Blondel</ce:surname>
<ce:cross-ref refid="AFFA"><ce:sup>a</ce:sup>
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<ce:cross-ref refid="COR1">*</ce:cross-ref>
<ce:e-address>blondel@inma.ucl.ac.be</ce:e-address>
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<ce:author><ce:given-name>Olivier</ce:given-name>
<ce:surname>Bournez</ce:surname>
<ce:cross-ref refid="AFFB"><ce:sup>b</ce:sup>
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<ce:e-address>Olivier.Bournez@loria.fr</ce:e-address>
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<ce:author><ce:given-name>Pascal</ce:given-name>
<ce:surname>Koiran</ce:surname>
<ce:cross-ref refid="AFFC"><ce:sup>c</ce:sup>
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<ce:e-address>pascal.koiran@ens-lyon.fr</ce:e-address>
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<ce:author><ce:given-name>Christos H.</ce:given-name>
<ce:surname>Papadimitriou</ce:surname>
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<ce:e-address>christos@cs.berkeley.edu</ce:e-address>
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<ce:author><ce:given-name>John N.</ce:given-name>
<ce:surname>Tsitsiklis</ce:surname>
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<ce:e-address>jnt@mit.edu</ce:e-address>
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<ce:textfn>CESAME, Université Catholique de Louvain, 4 Av. Georges Lemaitre, B-1348 Louvain-la-Neuve, Belgium</ce:textfn>
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<ce:textfn>LORIA, Campus Scientifique BP 239, F-54506 Vandoeuvre-les-Nancy, France</ce:textfn>
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<ce:textfn>LIP, ENS Lyon, 46 allée d'Italie, F-69364 Lyon Cedex 07, France</ce:textfn>
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<ce:affiliation id="AFFD"><ce:label>d</ce:label>
<ce:textfn>Department of Computer Sciences, University of California, Berkeley, CA 94720, USA</ce:textfn>
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<ce:affiliation id="AFFE"><ce:label>e</ce:label>
<ce:textfn>LIDS, MIT, Cambridge, MA 02139, USA</ce:textfn>
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<ce:date-received day="15" month="12" year="1998"></ce:date-received>
<ce:date-revised day="15" month="3" year="2000"></ce:date-revised>
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<ce:miscellaneous>Communicated by M. Sintzoff</ce:miscellaneous>
<ce:abstract><ce:section-title>Abstract</ce:section-title>
<ce:abstract-sec><ce:simple-para>In this paper we study problems such as: given a discrete time dynamical system of the form <math altimg="si1.gif">x(t+1)=f<ce:hsp sp="0.16"></ce:hsp>
(x(t))</math>
where <math altimg="si2.gif">f<ce:hsp sp="0.16"></ce:hsp>
:<ce:hsp sp="0.16"></ce:hsp>
<of>R</of>
<sup>n</sup>
→<of>R</of>
<sup>n</sup>
</math>
is a piecewise affine function, decide whether all trajectories converge to 0. We show in our main theorem that this Attractivity Problem is undecidable as soon as <math altimg="si3.gif">n⩾2</math>
. The same is true of two related problems: Stability (is the dynamical system globally asymptotically stable?) and Mortality (do all trajectories go through 0?). We then show that Attractivity and Stability become decidable in dimension 1 for <ce:italic>continuous</ce:italic>
functions.</ce:simple-para>
</ce:abstract-sec>
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<ce:keyword><ce:text>Discrete dynamical systems</ce:text>
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<ce:keyword><ce:text>Piecewise affine systems</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Piecewise linear systems</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Hybrid systems</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Mortality</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Stability</ce:text>
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<ce:keyword><ce:text>Decidability</ce:text>
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<abstract lang="en">Abstract: In this paper we study problems such as: given a discrete time dynamical system of the form x(t+1)=f(x(t)) where f:Rn→Rn is a piecewise affine function, decide whether all trajectories converge to 0. We show in our main theorem that this Attractivity Problem is undecidable as soon as n⩾2. The same is true of two related problems: Stability (is the dynamical system globally asymptotically stable?) and Mortality (do all trajectories go through 0?). We then show that Attractivity and Stability become decidable in dimension 1 for continuous functions.</abstract>
<note>This research was partly carried out while Blondel was visiting Tsitsiklis at MIT (Cambridge) and Koiran at ENS (Lyon). This research was supported by the ARO under grant DAAL-03-92-G-0115, by the NATO under grant CRG-961115 and by the European Commission under the TMR (Alapedes) network contract ERBFMRXCT960074.</note>
<note>Communicated by M. Sintzoff</note>
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<subject><genre>Keywords</genre>
<topic>Discrete dynamical systems</topic>
<topic>Piecewise affine systems</topic>
<topic>Piecewise linear systems</topic>
<topic>Hybrid systems</topic>
<topic>Mortality</topic>
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