Subelliptic wave equations are never observable

DOI10.2140/apde.2023.16.643arXiv2002.01259MaRDI QIDQ6168311

Cyril Letrouit

Publication date: 10 July 2023

Published in: Analysis \& PDE (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2002.01259

zbMATH Keywords

observabilitywave equationsubellipticsub-Riemannian

Mathematics Subject Classification ID

Controllability (93B05) Pseudodifferential operators as generalizations of partial differential operators (35S05) Observability (93B07) Wave equation (35L05) Nilpotent and solvable Lie groups (22E25) Hypoelliptic equations (35H10) Geometric optics (78A05) Subelliptic equations (35H20)

Related Items

Null-controllability properties of the generalized two-dimensional Baouendi-Grushin equation with non-rectangular control sets

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