2 papers
math.DG2018
Lagrangian Engel Structures
Zhiyong Zhao
We study the geometry of Engel structures, which are 2-plane fields on 4-manifolds satisfying a generic condition, that are compatible with other geometric structures. A \em{Lagran…
math.DG2018
Complex Engel Structures
Zhiyong Zhao
We study the geometry of Engel structures, which are 2-plane fields on 4-manifolds satisfying a generic condition, that are compatible with other geometric structures. A complex En…