Carnot-Carathéodory metrics associated to degenerate elliptic operators in three dimensions

Lyudmila Korobenko, Florian Meister, Olive Ross

This note is a companion paper to arXiv:1608.01630 [math.CA]. Here we generalize some of the geometric results of arXiv:1608.01630 [math.CA] to the case of a $3\times 3$ matrix fun…