Hypoellipticity: Geometrization and Speculation
Functional Analysis
2016-09-07 v1
Abstract
To any finite collection of smooth real vector fields in we associate a metric in the phase space . The relation between the asymptotic behavior of this metric and hypoellipticity of , in the smooth, real analytic, and Gevrey categories, is explored.
Cite
@article{arxiv.math/9801142,
title = {Hypoellipticity: Geometrization and Speculation},
author = {Michael Christ},
journal= {arXiv preprint arXiv:math/9801142},
year = {2016}
}