On the null controllability of a \(3\times 3\) parabolic system with non-constant coefficients by one or two control forces

DOI10.1016/j.matpur.2012.06.010zbMath1256.93022OpenAlexW2066065792MaRDI QIDQ1935826

Publication date: 19 February 2013

Published in: Journal de Mathématiques Pures et Appliquées. Neuvième Série (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.matpur.2012.06.010

zbMATH Keywords

observability time-dependent coefficients null controllability Carleman inequality parabolic system Kalman rank condition non-homogeneous system control force \(3\times 3\) system system with non-constant coefficients

Mathematics Subject Classification ID

Controllability (93B05) Control/observation systems governed by partial differential equations (93C20) Heat equation (35K05) Observability (93B07)

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