Asymptotics of spectral quantities of Schr\"odinger operators
  In this paper we provide new asymptotic estimates of the Floquet exponents of Schr\"odinger operators on the circle. By the same techniques, known asymptotic estimates of various others spectral quantities are improved. 
T. Kappeler, B. Schaad, and P. Topalov
math.SP math-ph math.MP