• Publications
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NiagaraCQ: a scalable continuous query system for Internet databases
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an active environment,Expand
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New characterizations of input-to-state stability
We present new characterizations of the input-to-state stability property. As a consequence of these results, we show the equivalence between the ISS property and several (apparent) variationsExpand
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A characterization of integral input-to-state stability
The notion of input-to-state stability (ISS) is now recognized as a central concept in nonlinear systems analysis. It provides a nonlinear generalization of finite gains with respect to supremumExpand
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Input-to-state stability for discrete-time nonlinear systems
The input-to-state stability property and iss small-gain theorems are introduced as the cornerstone of new stability criteria for discrete-time nonlinear systems.
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A Lyapunov formulation of the nonlinear small-gain theorem for interconnected ISS systems
The goal of this paper is to provide a Lyapunov statement and proof of the recent nonlinear small-gain theorem for interconnected input/state-stable (ISS) systems. An ISS-Lyapunov function for theExpand
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X-Diff: an effective change detection algorithm for XML documents
XML has become the de facto standard format for Web publishing and data transportation. Since online information changes frequently, being able to quickly detect changes in XML documents is importantExpand
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A converse Lyapunov theorem for discrete-time systems with disturbances
  • Z. Jiang, Y. Wang
  • Computer Science, Mathematics
  • Syst. Control. Lett.
  • 15 January 2002
This paper presents a converse Lyapunov theorem for discrete-time systems with disturbances taking values in compact sets. Among several new stability results, it is shown that a smooth LyapunovExpand
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Plasmon-induced transparency in metamaterials.
A plasmonic "molecule" consisting of a radiative element coupled with a subradiant (dark) element is theoretically investigated. The plasmonic molecule shows electromagnetic response that closelyExpand
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Stabilization in spite of matched unmodeled dynamics and an equivalent definition of input-to-state stability
  • L. Praly, Y. Wang
  • Mathematics, Computer Science
  • Math. Control. Signals Syst.
  • 1 March 1996
We consider nonlinear systems with input-to-output stable (IOS) unmodeled dynamics which are in the “range” of the input. Assuming the nominal system is globally asymptotically stabilizable and aExpand
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Input-Output-to-State Stability
This work explores Lyapunov characterizations of the input-output-to-state stability (IOSS) property for nonlinear systems. The notion of IOSS is a natural generalization of the standardExpand
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