2 papers
math.DG2018
Symplectic Foliations, Currents, and Local Lie Groupoids
Daan Michiels
This thesis treats two main topics: calibrated symplectic foliations, and local Lie groupoids. Calibrated symplectic foliations are one possible generalization of taut foliations o…
math.DG2018
Associativity and Integrability
Rui Loja Fernandes, Daan Michiels
We provide a complete solution to the problem of extending a local Lie groupoid to a global Lie groupoid. First, we show that the classical Mal'cev's theorem, which characterizes l…