Semiclassical hypoelliptic estimates with a loss of many derivatives
Alberto Parmeggiani
Università di Bologna, ItalyKarel Pravda-Starov
Université de Rennes I, France
![Semiclassical hypoelliptic estimates with a loss of many derivatives cover](/_next/image?url=https%3A%2F%2Fcontent.ems.press%2Fassets%2Fpublic%2Fimages%2Fserial-issues%2Fcover-rmi-volume-30-issue-4.png&w=3840&q=90)
Abstract
We study the pseudospectral properties of general pseudodifferential operators around a doubly characteristic point and provide necessary and sufficient conditions for semiclassical hypoelliptic a priori estimates with a loss of many derivatives.
Cite this article
Alberto Parmeggiani, Karel Pravda-Starov, Semiclassical hypoelliptic estimates with a loss of many derivatives. Rev. Mat. Iberoam. 30 (2014), no. 4, pp. 1439–1478
DOI 10.4171/RMI/821