Publication

Cost for a controlled linear KdV equation

Joachim Krieger, Shengquan Xiang
2019
Journal Articles

Abstract

The controllability of the linearized KdV equation with right Neumann control is studied in the pioneering work of Rosier [25]. However, the proof is by contradiction arguments and the value of the observability constant remains unknown, though rich mathematical theories are built on this totally unknown constant. We introduce a constructive method that gives the quantitative value of this constant.

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Cost for a controlled linear KdV equation

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