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math.SP2015★ 6 cited
Asymptotics of spectral quantities of Zakharov-Shabat operators
T. Kappeler, B. Schaad, P. Topalov
In this paper we provide new asymptotic estimates of various spectral quantities of Zakharov-Shabat operators on the circle. These estimates are uniform on bounded subsets of poten…
math.SP2011★ 7 cited
Asymptotics of spectral quantities of Schrödinger operators
T. Kappeler, B. Schaad, P. Topalov
In this paper we provide new asymptotic estimates of the Floquet exponents of Schrödinger operators on the circle. By the same techniques, known asymptotic estimates of various oth…