Rezensionen / Stimmen
From the reviews:
"This present volume contains six expository articles in the area of partial differential equations and spectral theory. . All articles are written by leading experts and give an overview of current developments to a broader audience. . the volume should also be accessible to doctoral students in this area." (G. Teschl, Monatshefte für Mathematik, Vol. 164 (4), December, 2011)