On Topological Entropy of Interconnected Nonlinear Systems

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We study topological entropy of a nonlinear system represented as an interconnection of smaller subsystems. Under suitable assumptions on the Jacobian matrices characterizing the interconnection, we obtain an explicit upper bound on the entropy of the overall system, and show that it can be related to upper bounds on the entropies of the subsystems. We also analyze in detail the special case of a cascade connection of two subsystems, establishing an upper bound on the entropy which is more tightly linked to individual entropy bounds for the subsystems.

Original languageEnglish (US)
Article number9390224
Pages (from-to)2210-2214
Number of pages5
JournalIEEE Control Systems Letters
Issue number6
StatePublished - Dec 2021


  • Information theory and control
  • quantized systems
  • stability of nonlinear systems

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Control and Optimization


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