## Found 933 Documents (Results 1–100)

100
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### Diffraction integral computation using sinc approximation. (English)Zbl 07533818

MSC:  65Mxx 41Axx 65Nxx
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MSC:  65-XX
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### On the stable eigenvalues of perturbed anharmonic oscillators in dimension two. (English)Zbl 1484.35304

MSC:  35P20 35S05 81Q10
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### Stability of Hartmann shear flows in an open inclined channel. (English)Zbl 1480.76047

MSC:  76E05 76E25 76E30
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### Multi-domain spectral approach with Sommerfeld condition for the Maxwell equations. (English)Zbl 07508515

MSC:  65Mxx 83Cxx 35Qxx
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### Dynamical responses of inclined heated channel of MHD dusty fluids through porous media. (English)Zbl 07443656

MSC:  76-XX 80-XX
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### Hydroelastic response of a floating plate on the falling film: a stability analysis. (English)Zbl 07428510

MSC:  76-XX 74-XX
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### Relevance of two- and three-dimensional disturbance field explained with linear stability analysis of Orr-Sommerfeld equation by compound matrix method. (English)Zbl 07426261

MSC:  76-XX 82-XX
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### Asymptotics of eigenvalues in the Orr-Sommerfeld problem for low velocities of unperturbed flow. (English. Russian original)Zbl 1481.76094

Dokl. Math. 103, No. 1, 19-22 (2021); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 496, 26-29 (2021).
MSC:  76E05 76M45 76D05
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### Stability with respect to energetic measures for biaxial tension-compression of a beam with rectangular cross-section. (English)Zbl 1477.76037

MSC:  76E05 35Q35
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### Transient linear stability of pulsating Poiseuille flow using optimally time-dependent modes. (English)Zbl 1487.76033

MSC:  76E05 76M45
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### On lacunas in the spectrum of the Laplacian with the Dirichlet boundary condition in a band with oscillating boundary. (English. Russian original)Zbl 1471.35211

J. Math. Sci., New York 257, No. 3, 273-285 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 162, 3-14 (2019).
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### Theory of Fermi-liquids in metals. A compact overview as an introduction to theoretical solid-state physics. (English)Zbl 1478.82001

Essentials. Wiesbaden: Springer (ISBN 978-3-658-32190-1/pbk; 978-3-658-32191-8/ebook). ix, 33 p. (2021).
MSC:  82-01 82D35 81V74
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### The Sommerfeld problem and inverse problem for the Helmholtz equation. (English)Zbl 1464.35066

MSC:  35J05 35A08 35R30
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### A comment on eigenfunctions and eigenvalues of the Laplace operator in an angle with Robin boundary conditions. (English. Russian original)Zbl 1456.35145

J. Math. Sci., New York 252, No. 5, 646-653 (2021); translation from Zap. Nauchn. Semin. POMI 483, 116-127 (2019).
MSC:  35P05 35J25
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### On localization conditions for spectrum of model operator for Orr-Sommerfeld equation. (Russian. English translation)Zbl 1474.47083

Ufim. Mat. Zh. 12, No. 4, 66-79 (2020); translation in Ufa Math. J., No. 4, 64-77 (2020).
MSC:  47E05 76E25
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### Commutator methods for $$N$$-body Schrödinger operators. (English)Zbl 1467.35115

Miranda, Pablo (ed.) et al., Spectral theory and mathematical physics. Proceedings of the conference, STMP 2018, Santiago, Chile, December 3–7, 2018. Cham: Springer. Lat. Am. Math. Ser., 1-15 (2020).
MSC:  35J10 35P05
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### Sommerfeld-type integrals for discrete diffraction problems. (English)Zbl 07328362

MSC:  35-XX 30-XX
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### Scattering of acoustic waves from a point source over an impedance wedge. (English)Zbl 07312397

MSC:  76-XX 35-XX
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### Estimates of the exponential decay of perturbations superimposed on the longitudinal harmonic vibrations of a viscous layer. (English. Russian original)Zbl 1452.76066

Differ. Equ. 56, No. 10, 1335-1344 (2020); translation from Differ. Uravn. 56, No. 10, 1366-1375 (2020).
MSC:  76E05 76D05 35Q35
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### Scattering with critically-singular and $$\delta$$-shell potentials. (English)Zbl 1450.35204

MSC:  35P25 35J15
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### Stability analysis of a film flow down an incline in the presence of a floating flexible membrane. (English)Zbl 1446.76110

Manna, Santanu (ed.) et al., Mathematical modelling and scientific computing with applications. Proceedings of the international conference, ICMMSC 2018, Indore, India, July 19–21, 2018. Singapore: Springer. Springer Proc. Math. Stat. 308, 253-263 (2020).
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### On the Kählerization of the moduli space of Bohr-Sommerfeld Lagrangian submanifolds. (English. Russian original)Zbl 1443.53046

Math. Notes 107, No. 6, 1038-1039 (2020); translation from Mat. Zametki 107, No. 6, 945-947 (2020).
MSC:  53D05 53D50
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### Evolution of perturbations imposed on 1D unsteady shear in a viscous half-plane with oscillating boundary. (English)Zbl 1446.76109

MSC:  76E05 76D99
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### Spectral theory for 1-body Stark operators. (English)Zbl 1435.35268

MSC:  35P25 35J10 81Q10
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MSC:  58J50
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### WKB asymptotics and spectral deformation in semi-classical limit. (English)Zbl 1439.34063

MSC:  34E20 34L20 81Q20
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### Suppression of Sommerfeld effect in a non-ideal discrete rotor system with fractional order external damping. (English)Zbl 1484.74036

MSC:  74H55 74S40 74D99
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### From Sommerfeld diffraction problems to operator factorisation. (English)Zbl 1463.47058

MSC:  47A68 47B35 47-02
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### Gaps in the spectrum of a cuboidal periodic lattice graph. (English)Zbl 1441.81102

MSC:  81Q35 11A55
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### Lagrangian approach to geometric quantization. (English)Zbl 1443.53003

Kielanowski, Piotr (ed.) et al., Geometric methods in physics XXXVII. Workshop and summer school, Białowieża, Poland, July 1–7, 2018. Dedicated to Daniel Sternheimer on the occasion of his 80th birthday. Cham: Birkhäuser. Trends Math., 255-258 (2019).
MSC:  53-02 53D50
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### $$L^\infty$$ instability of Prandtl layers. (English)Zbl 1436.35037

MSC:  35B35 35Q31 35B25
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### Gaps in the spectrum of the Laplacian in a strip with periodic delta interaction. (English. Russian original)Zbl 1430.35169

Proc. Steklov Inst. Math. 305, Suppl. 1, S16-S23 (2019); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 24, No. 2, 46-53 (2018).
MSC:  35P05 35J05 81Q10
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### The moduli space of $$D$$-exact Lagrangian submanifolds. (English. Russian original)Zbl 1429.53091

Sib. Math. J. 60, No. 4, 709-719 (2019); translation from Sib. Mat. Zh. 60, No. 4, 907-921 (2019).
MSC:  53D12 14J99
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### Spectra of discrete two-dimensional periodic Schrödinger operators with small potentials. (English)Zbl 1436.35095

MSC:  35J10 47B36
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### Kostant prequantization of symplectic manifolds with contact singularities. (English. Russian original)Zbl 1430.53099

Math. Notes 105, No. 6, 846-863 (2019); translation from Mat. Zametki 105, No. 6, 857-878 (2019).
MSC:  53D50 81S10
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### Sommerfeld’s solution as the limiting amplitude and asymptotics for narrow wedges. (English)Zbl 1428.35556

MSC:  35Q60 78A45 35B40
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### Exact Lagrangian submanifolds and the moduli space of special Bohr-Sommerfeld Lagrangian cycles. (English)Zbl 1426.53090

Kielanowski, Piotr (ed.) et al., Geometric methods in physics XXXVI. Workshop and summer school, Białowieża, Poland, July 2–8, 2017. Selected papers of the 36th workshop (WGMPXXXVI) and extended abstracts of lectures given at the 6th “School of geometry and physics”. Cham: Birkhäuser. Trends Math., 147-154 (2019).
MSC:  53D12 53D50
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### One-sided Diophantine approximations. (English)Zbl 1422.81108

MSC:  81Q35 11K60 11A55
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### Bethe-Sommerfeld conjecture for periodic Schrödinger operators in strip. (English)Zbl 1432.35062

MSC:  35J10 35P99
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### A trigonometric series expansion method for the Orr-Sommerfeld equation. (English)Zbl 1416.76042

MSC:  76E05 76M22
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### Resonant waves in the gap between two advancing barges. (English)Zbl 1475.76016

MSC:  76B20 76M99
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### On spectral gaps of a Laplacian in a strip with a bounded periodic perturbation. (Russian. English summary)Zbl 1463.35386

Ufim. Mat. Zh. 10, No. 2, 13-29 (2018); translation in Ufa Math. J. 10, No. 2, 14-30 (2018).
MSC:  35P05 35B10
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### Bohr-Sommerfeld quantization rules revisited: the method of positive commutators. (English)Zbl 1403.81029

J. Math. Sci., Tokyo 25, No. 2, 91-127 (2018); erratum ibid. 27, No. 1, 81-85 (2020).
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### On the passing through resonance of a centrifugal exciter with two coaxial unbalances. (English)Zbl 1406.70029

MSC:  70K28 34E15
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### Absence of gaps in a lower part of the spectrum of a Laplacian with frequent alternation of boundary conditions in a strip. (English. Russian original)Zbl 1405.35020

Theor. Math. Phys. 195, No. 2, 690-703 (2018); translation from Teor. Mat. Fiz. 195, No. 2, 225-239 (2018).
MSC:  35J05 35P05
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MSC:  70J40
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### Sommerfeld effect in a constrained electromechanical system. (English)Zbl 1433.70036

MSC:  70K42 34C25 34D20
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### A new hybrid integral representation for frequency domain scattering in layered media. (English)Zbl 1395.78038

MSC:  78A45 78A48 78M25 35J05 65N80
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### Special Bohr-Sommerfeld Lagrangian submanifolds of algebraic varieties. (English. Russian original)Zbl 1397.53090

Izv. Math. 82, No. 3, 612-631 (2018); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 82, No. 3, 170-191 (2018).
MSC:  53D12 53D37 14J33
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### Radiation conditions and integral representations for Clifford algebra-valued null-solutions of the Helmholtz operator. (English. Russian original)Zbl 1395.78015

J. Math. Sci., New York 231, No. 3, 367-472 (2018); translation from Probl. Mat. Anal. 91, 79-167 (2015).
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### Some applications of the most general form of the higher-order GUP with minimal length uncertainty and maximal momentum. (English)Zbl 1386.81147

MSC:  81V17 83C45
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MSC:  81V45
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### Spectral collocation solutions to problems on unbounded domains. (English)Zbl 1453.65004

Cluj-Napoca: Casa Cărţii de Ştiinţă (ISBN 978-606-17-1272-4/pbk). xvi, 151 p. (2018).

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### Radiation conditions for periodic potentials. (English)Zbl 1398.35002

Göttingen: Univ. Göttingen, Fakultät für Mathematik und Informatik (Diss.). iv, 84 p. (2017).
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### Basis property of eigen- and associated functions of an operator with nondense domain of definition in the example of the Orr-Sommerfeld problem. (English. Russian original)Zbl 06845191

Math. Notes 102, No. 6, 866-871 (2017); translation from Mat. Zametki 102, No. 6, 931-937 (2017).
MSC:  47-XX 76-XX
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### Scattering of an electromagnetic surface wave from a Hertzian dipole by the edge of an impedance wedge. (English. Russian original)Zbl 1382.78012

J. Math. Sci., New York 226, No. 6, 768-778 (2017); translation from Zap. Nauchn. Semin. POMI 451, 116-133 (2016).
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### Periodic quantum graphs from the Bethe-Sommerfeld perspective. (English)Zbl 1383.81090

MSC:  81Q35 47A10 11K60
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### Classical and quantum monodromy via action-angle variables. (English)Zbl 1371.53091

MSC:  53D50 37J05 53Z05
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### Efficient and accurate computation of electric field dyadic Green’s function in layered media. (English)Zbl 1372.78024

MSC:  78M25 65Z05 45H05 78A25 78A48 65N80 65D30
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### The phase-integral method in a problem of singular perturbation theory. (English. Russian original)Zbl 1367.34106

Izv. Math. 81, No. 2, 359-390 (2017); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 81, No. 2, 129-160 (2017).
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### Riemann surface and quantization. (English)Zbl 1364.81163

MSC:  81S10 81Q30 81S40
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### Rays, waves, and scattering. Topics in classical mathematical physics. (English)Zbl 1386.00065

Princeton Series in Applied Mathematics. Princeton, NJ: Princeton University Press (ISBN 978-0-691-14837-3/hbk; 978-1-4008-8540-4/ebook). xv, 588 p. (2017).
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### Quadratic spline collocation method and efficient preconditioner for the Helmholtz equation with the Sommerfeld boundary conditions. (English)Zbl 1365.65266

MSC:  65N35 35J05 65F05
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### Semiclassical resonances associated with a periodic orbit. (English)Zbl 1364.35452

MSC:  35S05 35B10
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### Analysis of horizontal thin-wire conductor buried in lossy ground: new model for Sommerfeld type integral. (English)Zbl 1356.78075

Silvestrov, Sergei (ed.) et al., Engineering mathematics I. Electromagnetics, fluid mechanics, material physics and financial engineering. Cham: Springer (ISBN 978-3-319-42081-3/hbk; 978-3-319-42082-0/ebook). Springer Proceedings in Mathematics & Statistics 178, 33-49 (2016).
MSC:  78A45 78A25
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MSC:  70K30
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### On generalized Bohr-Sommerfeld quantization rules for operators with PT symmetry. (English. Russian original)Zbl 1348.81277

Math. Notes 99, No. 5, 676-684 (2016); translation from Mat. Zametki 99, No. 5, 673-683 (2016).
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