Found 17,352 Documents (Results 1–100)

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Scalable multi-level deflation preconditioning for highly indefinite time-harmonic waves. (English)Zbl 07592120

MSC:  65Nxx 65Fxx 35Jxx
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Uniqueness and iterative schemes of positive solutions for conformable fractional differential equations via sum-type operator method. (English)Zbl 07589874

MSC:  34B18 34A08 35J05
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Introduction to partial differential equations. For courses in engineering and natural sciences. 3rd revised edition. (Einführung in partielle Differentialgleichungen. Für die Studiengänge der Ingenieur- und Naturwissenschaften.) (German)Zbl 07589693

Zürich: vdf Hochschulverlag AG an der ETH Zürich (ISBN 978-3-7281-4131-6/pbk). viii, 225 p. (2022).
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Investigation of gas oscillations in the closed tube with a cone tip. (English)Zbl 07588324

MSC:  76Q05 76N15 76M10
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MSC:  35J05
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Sound absorption by perforated walls along boundaries. (English)Zbl 07582321

MSC:  35B27 35J25 78M40
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Low-order Prandtl-Glauert-Lorentz based absorbing boundary conditions for solving the convected Helmholtz equation with discontinuous Galerkin methods. (English)Zbl 07578887

MSC:  65Nxx 35Jxx 76Qxx
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Positive solutions to a class of Choquard type equations with a competing perturbation. (English)Zbl 07574869

MSC:  35J91 35J05 35A01
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Non-existence of nonnegative separate variable solutions to a porous medium equation with spatially dependent nonlinear source. (English)Zbl 07574668

MSC:  35J91 35J05 35A01
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Existence of solutions for some systems of integro-differential equations with transport and superdiffusion. (English)Zbl 07574043

MSC:  35J05 47G20 35A01
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Sharp wavenumber-explicit stability bounds for 2D Helmholtz equations. (English)Zbl 07572364

MSC:  35J05 35J25
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On the solution of boundary value problems for the Poisson equation in domains with strongly (weakly) permeable films in the form of a segment. (English. Russian original)Zbl 07571672

Differ. Equ. 58, No. 4, 509-518 (2022); translation from Differ. Uravn. 58, No. 4, 509-518 (2022).
MSC:  35J05 35J25 35A01
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On Lieb’s “On the lowest eigenvalue of the Laplacian for the intersection of two domains”. (English)Zbl 07571326

Frank, Rupert L. (ed.) et al., The physics and mathematics of Elliott Lieb. The 90th anniversary. Volume I. Berlin: European Mathematical Society (EMS). 7-17 (2022).
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Helmholtz equation for a Neumann condition on a curved boundary: spurious resonances. (English)Zbl 07569264

MSC:  35J05 35P25
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Inverse mean value property of metaharmonic functions. (English. Russian original)Zbl 07566769

J. Math. Sci., New York 264, No. 5, 603-608 (2022); translation from Probl. Mat. Anal. 116, 105-109 (2022).
MSC:  35J05 31B05
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The Neumann problem for the Laplacian in half-spaces. (English)Zbl 07565325

Milman, Mario (ed.) et al., Geometric potential analysis. Selected papers based on the presentations at the special session, virtual, July 15–16 and 19, 2021. Berlin: De Gruyter. Adv. Anal. Geom. 6, 219-251 (2022).
MSC:  35J05 35J25
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A spectral comparison note. (English)Zbl 07565323

Milman, Mario (ed.) et al., Geometric potential analysis. Selected papers based on the presentations at the special session, virtual, July 15–16 and 19, 2021. Berlin: De Gruyter. Adv. Anal. Geom. 6, 195-206 (2022).
MSC:  35J05 35P15
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A mesh-less, ray-based deep neural network method for the Helmholtz equation with high frequency. (English)Zbl 07565086

MSC:  65L15 34L16
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Uniform Sobolev estimates on compact manifolds involving singular potentials. (English)Zbl 07564708

MSC:  58J50 35P15 35J05
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MSC:  35J05
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Learning rays via deep neural network in a ray-based IPDG method for high-frequency Helmholtz equations in inhomogeneous media. (English)Zbl 07561051

MSC:  65Nxx 78Axx 35Jxx
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The existence and non-existence of sign-changing solutions to bi-harmonic equations with a $$p$$-Laplacian. (English)Zbl 07560322

MSC:  35J05 35J20 35J60
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Calderón’s inverse problem with a finite number of measurements. II: independent data. (English)Zbl 07558474

MSC:  35R30 35J05 78A46
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On increasing stability in an inverse source problem with local boundary data at many wave numbers. (English)Zbl 07558469

MSC:  35R30 35J05
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Generalized mean value property in the limit for eigenfunctions of the Laplacian on $$\mathbb{R}^n$$. (English)Zbl 07558462

MSC:  35J05 42B37
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Expansion for a fundamental solution of Laplace’s equation in flat-ring cyclide coordinates. (English)Zbl 07557707

MSC:  35J05 35A08
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Heat semigroups and inverses of twisted Laplacians on nonisotropic Heisenberg groups with multi-dimensional center. (English)Zbl 07555787

MSC:  35J05 35R03
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Nodal set of monochromatic waves satisfying the random wave model. (English)Zbl 07555101

MSC:  35J05 58J05 35R60
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Sixth-order quasi-compact difference schemes for 2D and 3D Helmholtz equations. (English)Zbl 07555066

MSC:  65N06 65N12 65N40
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Analysis of approximate solution for a class of systems of integral equations. (English. Russian original)Zbl 07547996

Comput. Math. Math. Phys. 62, No. 5, 811-826 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 5, 838-853 (2022).
MSC:  41A55 35-XX 45-XX
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Solution of the exterior boundary value problem for the Helmholtz equation using overlapping domain decomposition. (English. Russian original)Zbl 07547994

Comput. Math. Math. Phys. 62, No. 5, 784-796 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 5, 809-822 (2022).
MSC:  65Nxx 76-XX
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Hausdorff analytic functions in a three-dimensional associative noncommutative algebra. (English)Zbl 07543076

J. Math. Sci., New York 262, No. 2, 207-221 (2022) and Ukr. Mat. Visn. 19, No. 1, 103-120 (2022).
MSC:  30G35 35J05 31B30
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Isolated singularities of solutions to the Yamabe equation in dimension 6. (English)Zbl 1491.35243

MSC:  35J91 35J05 35B40
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On a priori estimates of solutions of the Tricomi problem for a certain mixed-type second-order equation. (English. Russian original)Zbl 1491.35075

J. Math. Sci., New York 260, No. 3, 286-293 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 167, 14-20 (2019).
MSC:  35B45 35J05 35M13
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A Vanka-type multigrid solver for complex-shifted Laplacian systems from diagonalization-based parallel-in-time algorithms. (English)Zbl 07540945

MSC:  65-XX 35-XX
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Perfectly matched layers for nonlocal Helmholtz equations. II: Multi-dimensional cases. (English)Zbl 07540346

MSC:  65Nxx 78Axx 65Mxx
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Exact solutions of the 3D fractional Helmholtz equation by fractional differential transform method. (English)Zbl 1491.35427

MSC:  35R11 35C05 35J05
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Applying GMRES to the Helmholtz equation with strong trapping: how does the number of iterations depend on the frequency? (English)Zbl 07539438

MSC:  65F15 65N22 35J05
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Inhomogeneous global minimizers to the one-phase free boundary problem. (English)Zbl 1491.35134

MSC:  35J05 35J20 35R35
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The method of fundamental solutions for pointwise source reconstruction. (English)Zbl 07537403

MSC:  65-XX 92-XX
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A note on the validity of the Schrödinger approximation for the Helmholtz equation. (English)Zbl 1491.35142

MSC:  35J05 35A35 35Q41
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Multiple solutions for semilinear discontinuous variational problems with lack of compactness. (English)Zbl 1491.35129

MSC:  35J05 35J91 35A01
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