Approximate Boundary Null Controllability

  • Tatsien LiEmail author
  • Bopeng Rao
Part of the Progress in Nonlinear Differential Equations and Their Applications book series (PNLDE, volume 94)


In this chapter, we will define the approximate boundary null controllability for system (II) and the D-observability for the adjoint problem, and show that these two concepts are equivalent to each other. Moreover, the corresponding Kalman’s criterion is introduced and studied.

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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.School of Mathematical SciencesFudan UniversityShanghaiChina
  2. 2.Institut de Recherche Mathématique AvancéeUniversité de StrasbourgStrasbourgFrance

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