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Found 74 Documents (Results 1–74)

New proof of trace formulas in case of classical Sturm-Liouville problem. (English) Zbl 0951.34014

Gohberg, I. (ed.) et al., New results in operator theory and its applications: the Israel M. Glazman memorial volume. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 98, 153-162 (1997).
Reviewer: M.Shahin (Dallas)
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Transmutation operators and the inverse spectral problem. (English) Zbl 0826.34016

Connett, William C. (ed.) et al., Applications of hypergroups and related measure algebras. A joint summer research conference on applications of hypergroups and related measure algebras, July 31-August 6, 1993, Seattle, WA, USA. Providence: American Mathematical Society. 237-244 (1995).
Reviewer: T.Aktosun (Fargo)
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To the theory of finite gap and perturbed finite gap potentials. (English) Zbl 0935.34070

Knowles, Ian (ed.), Differential equations and mathematical physics. Proceedings of the conference, University of Alabama, Birmingham, AL, USA and Georgia Institute of Technology, Atlanta, GA, USA, March 13-17, 1994. Cambridge, MA: International Press. 143-156 (1995).
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An estimate of the Cauchy matrix function for the Dirac system in the case of finite-gap nonperiodic potentials. (English. Russian original) Zbl 0802.34011

Math. Notes 53, No. 4, 400-409 (1993); translation from Mat. Zametki 53, No. 4, 62-76 (1993).
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On the asymptotic behavior of the Weyl-Titchmarsh m-function. (English. Russian original) Zbl 0723.34038

Math. USSR, Izv. 36, No. 3, 487-496 (1991); translation from Izv. Akad. Nauk SSSR, Ser. Mat. 54, No. 3, 469-479 (1990).
MSC:  34E05 34B24
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Asymptotic behavior of Weyl-Titchmarsh \(m\)-function in the case of the Dirac system. (English. Russian original) Zbl 0743.34087

Math. Notes 50, No. 2, 816-823 (1991); translation from Mat. Zametki 50, No. 2, 67-76 (1991).
MSC:  34L20 34B20
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Sturm-Liouville and Dirac operators. Transl. from the Russian by Oleg Efimov. (English) Zbl 0704.34002

Mathematics and Its Applications. Soviet Series. 59. Dordrecht etc.: Kluwer Academic Publishers. xi, 350 p. Dfl. 240.00; $ 149.00; £83.00 (1990).
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On the expansion in products of special solutions of two Sturm-Liouville equations. (English. Russian original) Zbl 0718.34027

Sov. Math., Dokl. 41, No. 1, 113-117 (1990); translation from Dokl. Akad. Nauk SSSR 310, No. 4, 781-784 (1990).
MSC:  34B24
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Examples of Schrödinger operators with almost periodic potentials and nowhere dense absolutely continuous spectrum. (Russian. English original) Zbl 0586.34019

Sov. Math., Dokl. 29, 541-544 (1984); translation from Dokl. Akad. Nauk SSSR 276, 539-542 (1984).
Reviewer: A.L.Andrew
MSC:  34L99 34B30
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