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Found 10,606 Documents (Results 1–100)

Asymptotic spectral properties and preconditioning of an approximated nonlocal Helmholtz equation with Caputo fractional Laplacian and variable coefficient wave number \(\mu\). arXiv:2402.10569

Preprint, arXiv:2402.10569 [math.NA] (2024).
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Linearizable and nonlinearizable solutions in the nonlinear eigenvalue problem arising in the theory of electrodynamic waveguides filled with a nonlinear medium. (English. Russian original) Zbl 07794027

J. Math. Sci., New York 275, No. 5, 556-571 (2023); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 176, 34-49 (2020).
MSC:  35P30 34L20 35Q61
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On the multiple spectrum of a problem for the Bessel equation of an integer order with squared spectral parameter in the boundary condition. (English. Russian original) Zbl 07786633

Differ. Equ. 59, No. 10, 1440-1442 (2023); translation from Differ. Uravn. 59, No. 10, 1438-1440 (2023).
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