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Found 68 Documents (Results 1–68)

The similarity of a \(J\)-self-adjoint Sturm-Liouville operator with finite-gap potential to a self-adjoint operator. (English. Russian original) Zbl 1282.34088

Dokl. Math. 69, No. 2, 195-199 (2004); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 395, No. 3, 303-307 (2004).
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On sampling expansions of Kramer type. (English) Zbl 1111.34014

Siafarikas, Panayiotis D. (ed.), International conference on differential, difference equations and their applications, July 1–5, 2002, Patras, Greece. Cairo: Hindawi Publishing Corporation (ISBN 977-5945-14-3/hbk). 117-131 (2004).
MSC:  34B05 34B24 34L05
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Inverse spectral problems for Sturm-Liouville operators with singular potentials. II: Reconstruction by two spectra. (English) Zbl 1095.34008

Kadets, Vladimir (ed.) et al., Functional analysis and its applications. Proceedings of the international conference, dedicated to the 110th anniversary of Stefan Banach, Lviv National University, Lviv, Ukraine, May 28–31, 2002. Amsterdam: Elsevier (ISBN 0-444-51373-6/hbk). North-Holland Mathematics Studies 197, 97-114 (2004).
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Spectral properties of an operator matrix. (Russian, English) Zbl 1084.47037

Vestn. Mosk. Univ., Ser. I 2004, No. 3, 23-30 (2004); translation in Mosc. Univ. Math. Bull. 59, No. 3, 25-32 (2004).
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Some recent results on semilinear Sturm-Liouville problems with jumping nonlinearities. (English) Zbl 1084.34027

Delgado, M. (ed.) et al., The first 60 years of nonlinear analysis of Jean Mawhin. Papers from the conference, Sevilla, Spain, April 2003. River Edge, NJ: World Scientific (ISBN 981-238-765-X/hbk ). 199-212 (2004).
MSC:  34B24 34L05 34A36
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Bounds for the points of spectral concentration of one-dimensional Schrödinger operators. (English) Zbl 1075.34085

Janas, Jan (ed.) et al., Spectral methods for operators of mathematical physics. Proceedings of the international conference on operator theory and its applications in mathematical physics, OTAMP, Bedlewo, Poland, 2002. Basel: Birkhäuser (ISBN 3-7643-7133-1/hbk). Operator Theory: Advances and Applications 154, 139-149 (2004).
MSC:  34L05 47E05 34L40
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Matrix bispectrality and Huygen’s principle for Dirac operators. (English) Zbl 1072.58010

Conca, Carlos (ed.) et al., Partial differential equations and inverse problems. Proceedings of the Pan-American Advanced Studies Institute on partial differential equations, nonlinear analysis and inverse problems, Santiago, Chile, January 6–18, 2003. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3448-7/pbk). Contemporary Mathematics 362, 89-112 (2004).
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Ordinary differential equations. An introduction in teaching and application. 4th revised ed. (Gewöhnliche Differentialgleichungen. Einführung in Lehre und Gebrauch.) (German) Zbl 1048.34001

Mathematische Leitfäden. Stuttgart: Teubner (ISBN 3-519-32227-7/pbk). 628 p. (2004).
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Necessary and sufficient conditions for the inverse problem of one class ordinary differential operators with complex periodic coefficients. arXiv:math/0404273

Preprint, arXiv:math/0404273 [math.SP] (2004).
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Operateurs de Schrodinger quasi-periodiques adiabatiques : Interactions entre les bandes spectrales d’un operateur periodique. arXiv:math-ph/0403060

Preprint, arXiv:math-ph/0403060 [math-ph] (2004).
MSC:  34E05 34E20 34L05
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