Hypoelliptic operators.

Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians by: (Electronic resources)

An invitation to hypoelliptic operators and Hormander's vector fields by: (Electronic resources)

Spectral theory (Mathematics)

Operator Theory.

Global Analysis and Analysis on Manifolds.

Mathematics.

Analysis.

Hypoelliptic operators.

Statistics for Engineering, Physics, Computer Science, Chemistry & Geosciences.

Partial Differential Equations.

Quantum Physics.