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Found 4,731 Documents (Results 1–100)

BIBO stability for funnel control: semilinear internal dynamics with unbounded input and output operators. (English) Zbl 07949845

Schwenninger, Felix L. (ed.) et al., Systems theory and PDEs. Open problems, recent results, and new directions. Based on the first workshop on systems theory and PDEs, WOSTAP, Freiberg, Germany, July 2022. Cham: Birkhäuser. Trends Math., 189-217 (2024).

On discrete spectra of Bergman-Toeplitz operators with harmonic symbols. (English) Zbl 07936232

Brown, Malcolm (ed.) et al., From complex analysis to operator theory: a panorama. In memory of Sergey Naboko. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 291, 609-618 (2023).

Weyl-Titchmarsh \(M\)-functions for \(\varphi\)-periodic Sturm-Liouville operators in terms of Green’s functions. (English) Zbl 07936231

Brown, Malcolm (ed.) et al., From complex analysis to operator theory: a panorama. In memory of Sergey Naboko. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 291, 573-608 (2023).
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On the number and sums of eigenvalues of Schrödinger-type operators with degenerate kinetic energy. (English) Zbl 07936223

Brown, Malcolm (ed.) et al., From complex analysis to operator theory: a panorama. In memory of Sergey Naboko. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 291, 313-340 (2023).

Asymptotic analysis of operator families and applications to resonant media. (English) Zbl 07936222

Brown, Malcolm (ed.) et al., From complex analysis to operator theory: a panorama. In memory of Sergey Naboko. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 291, 239-311 (2023).

On the spectral theory of systems of first order equations with periodic distributional coefficients. (English) Zbl 07936221

Brown, Malcolm (ed.) et al., From complex analysis to operator theory: a panorama. In memory of Sergey Naboko. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 291, 217-238 (2023).

Schrödinger operators with \(\delta\)-potentials supported on unbounded Lipschitz hypersurfaces. (English) Zbl 07936218

Brown, Malcolm (ed.) et al., From complex analysis to operator theory: a panorama. In memory of Sergey Naboko. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 291, 123-150 (2023).

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