Home › Authors › Francis Nier 👤 Francis Nier 2 books Books by Francis Nier Boundary Conditions and Subell Boundary Conditions and Subelliptic Estimates for Geometric Kramers-Fokker-Planck Operators on Manifolds with Boundaries 2018 Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians (Lecture Notes in Mathematics Book 1862) 2005