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Bibliographic Details
Main Authors: Filho, Roberto de A. Capistrano, Parada, Hugo, da Silva, Jandeilson Santos
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2501.12049
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Table of Contents:
  • It is well known that the controllability property of partial differential equations (PDEs) is closely linked to the proof of an observability inequality for the adjoint system, which, sometimes, involves analyzing a spectral problem associated with the PDE under consideration. In this work, we study a series of spectral issues that ensure the controllability of the renowned Korteweg-de Vries equation on a star-graph. This investigation reduces to determining when certain functions, associated with this spectral problem, are entire. The novelty here lies in presenting this detailed analysis in the context of a star graph structure.