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Found 77 Documents (Results 1–77)

Trace formulas for the modified Mathieu equation. (English) Zbl 1515.47060

Exner, Pavel (ed.) et al., Partial differential equations, spectral theory, and mathematical physics. The Ari Laptev anniversary volume. Berlin: European Mathematical Society (EMS). EMS Ser. Congr. Rep., 427-443 (2021).
MSC:  47B93 47E05 34E05
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The distribution of the eigenvalues of the Dirichlet problem of the two-dimensional Sturm-Liouville differential operator. II. Some associated Dirichlet series. (La distribución de los autovalores del problema de Dirichlet del operador diferencial bidimensional de Sturm-Liouville. II. Algunas series de Dirichlet asociadas.) (Spanish) Zbl 1296.35002

Notas de Álgebra y Análisis 23. Bahia Blanca: Universidad Nacional del Sur, Instituto de Matemática. iv, 63 p. (2013).
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Analytical and computational methods in electromagnetics. With CD-ROM. (English) Zbl 1209.78001

Artech House Electromagnetic Analysis Series. Boston, MA: Artech House (ISBN 978-1-59693-385-9/hbk; 978-1-59693-386-6/ebook). xix, 528 p. (2008).
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On the localization of the spectrum in a problem in singular perturbation theory. (English. Russian original) Zbl 1058.34116

Russ. Math. Surv. 57, No. 3, 608-610 (2002); translation from Usp. Mat. Nauk 57, No. 3, 161-162 (2002).
MSC:  34L20 34L40 34E15
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Asymptotics and special functions. (Asimptotika i spetsial’nye funktsii). Transl. from the English by Yu. A. Brychkov. Transl. ed. by A. P. Prudnikov. (Asimptotika i spetsial’nye funktsii.) (Russian) Zbl 0712.41006

Moskva: Nauka. 528 p. (1990).
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