Bernard Helffer has written at least 2 books. Their most popular book is Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians with 1 save with an average rating of -⭐.
They are best known for writing in the genre Mathematics.
2005 • 1 Reader • 228 pages
#139 of 89 in Cambridge Studies in Advanced Mathematics
2012 • 1 Reader • 250 pages