In this paper we prove an observability inequality for a degenerate transport equation. First we introduce a local in time Carleman estimate for the degenerate equation, then we apply it to obtain a global in time observability inequality by using also an energy estimate.
@article{arxiv.2007.14073,
title = {Observability inequalities for degenerate transport equations},
author = {Giuseppe Floridia and Hiroshi Takase},
journal= {arXiv preprint arXiv:2007.14073},
year = {2021}
}