Found 1,745 Documents (Results 1–100)

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The interior inverse boundary value problem for the impulsive Sturm-Liouville operator with the spectral boundary conditions. (English)Zbl 07527960

MSC:  34B24 47A10
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Boundary value matrix problems and Drazin invertible operators. (English)Zbl 07517855

MSC:  47A10 47B38
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Almost weighted composition operators between Banach function algebras. (English)Zbl 07499390

MSC:  46J10 46J20 47B48
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An estimate for the Steklov zeta function of a planar domain derived from a first variation formula. (English)Zbl 1485.35422

MSC:  35R30 35J25 35P05
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On the critical value of the coupling constant in exterior elliptic problems. (English)Zbl 1485.35164

MSC:  35J25 35P15 47A10
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MSC:  91B26
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MSC:  35Qxx
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The spectra of Banach algebras of holomorphic functions on polydisk-type domains. (English)Zbl 07471790

MSC:  46J15 46E50 46G20
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Uniqueness theorems for the impulsive Dirac operator with discontinuity. (English)Zbl 07457161

MSC:  34A55 34B24 47E05
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Line spectrum representation for vector processes with application to frequency estimation. (English)Zbl 1481.94064

MSC:  94A12 15B05 93E10
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Super-resolution of positive sources on an arbitrarily fine grid. (English)Zbl 07441174

MSC:  65T40 65K10
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On tight 6-cycle decompositions of complete 3-uniform hypergraphs. (English)Zbl 1482.05266

MSC:  05C70 05C65 05C50
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Matrix functions with variable entries via the Dunford-Taylor integral. (English)Zbl 07528534

MSC:  15A16 15A09 47A10
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MSC:  52B45
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Permutative universal realizability. (English)Zbl 1482.15012

MSC:  15A29 15A18 15A20
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Interior eigensolver for sparse Hermitian definite matrices based on Zolotarev’s functions. (English)Zbl 07441019

MSC:  65Fxx 15-XX
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On superperfection of edge intersection graphs of paths. (English)Zbl 1479.05311

Gentile, Claudio (ed.) et al., Graphs and combinatorial optimization: from theory to applications. Proceedings of the 18th Cologne-Twente workshop on graphs and combinatorial optimization (CTW2020), online, September 14–16, 2020. Cham: Springer. AIRO Springer Ser. 5, 79-91 (2021).
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Laplace’s integrals and stability of the open flows of inviscid incompressible fluid. (English)Zbl 1478.76033

Kusraev, Anatoly G. (ed.) et al., Operator theory and differential equations. Selected papers based on the presentations at the 15th conference on order analysis and related problems of mathematical modeling, Vladikavkaz, Russia, July 15–20, 2019. Cham: Birkhäuser. Trends Math., 121-142 (2021).
MSC:  76E09 76B99 35Q35
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Numerical study of propagation of nonlinear coupled surface and leaky electromagnetic waves in a circular cylindrical metal-dielectric waveguide. (English. Russian original)Zbl 1478.78066

Comput. Math. Math. Phys. 61, No. 8, 1353-1363 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 8, 1378-1389 (2021).
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Bessel descents and branching problems. (English)Zbl 1473.11101

Müller, Werner (ed.) et al., Relative trace formulas. Proceedings of the Simons symposium, Schloss Elmau, Germany, April 22–28, 2018. Cham: Springer. Simons Symp., 253-290 (2021).
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Analytic approximation of transmutation operators for one-dimensional stationary Dirac operators and applications to solution of initial value and spectral problems. (English)Zbl 1477.34114

MSC:  34L40 34L15 34L16
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Sinc methods for Lévy-Schrödinger equations. (English)Zbl 1476.34015

Beghin, Luisa (ed.) et al., Nonlocal and fractional operators. Selected papers based on the presentations at the international workshop, Rome, Italy, April 12–13, 2019. Cham: Springer. SEMA SIMAI Springer Ser. 26, 23-56 (2021).
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An inverse problem for the Sturm-Liouville operator. (English. Russian original)Zbl 1476.34080

Math. Notes 110, No. 1, 3-15 (2021); translation from Mat. Zametki 110, No. 1, 3-16 (2021).
MSC:  34B24 34A55 34L05
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Solving the problem of interpreting observations using the spline approximation of the scanned function. (English. Ukrainian original)Zbl 07378096

Cybern. Syst. Anal. 57, No. 4, 584-591 (2021); translation from Kibern. Sist. Anal. 57, No. 4, 95-103 (2021).
MSC:  65Dxx 41Axx 41-XX
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The spectrum problem for the connected cubic graphs of order 10. (English)Zbl 1468.05141

MSC:  05C50 05C70
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Eigenvalue problems and their perturbations for the weighted $$(p,q)$$-Laplacian. (English)Zbl 1479.35387

MSC:  35J60 35J92
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Mathematical theory of surface waves in a lossy inhomogeneous dielectric waveguide of arbitrary cross section. (English)Zbl 1469.78024

MSC:  78A50 35P30 35Q61
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Stability in the inverse Steklov problem on warped product Riemannian manifolds. (English)Zbl 1460.81108

MSC:  81U40 35P25 58J50
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Inverse spectral results for non-abelian group actions. (English)Zbl 1479.35272

MSC:  35J10 58J50
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Wave propagation in structures. 3rd revised, updated and augmented edition. (English)Zbl 1456.74076

Mechanical Engineering Series. Cham: Springer (ISBN 978-3-030-59678-1/hbk; 978-3-030-59679-8/ebook). xviii, 421 p. (2021).
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Investigation of spectrum curves for a Sturm-Liouville problem with two-point nonlocal boundary conditions. (English)Zbl 1476.34079

MSC:  34B24 34B10
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MSC:  68-XX
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Singular perturbations of Laplace operator and their resolvents. (English)Zbl 1460.35082

MSC:  35J05 35J25 35P99
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Plummeting and blinking eigenvalues of the Robin Laplacian in a cuspidal domain. (English)Zbl 1459.35300

MSC:  35P15 35J25
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Accurate numerical approximation of the absolute stability of unbounded flows. (English)Zbl 1453.76047

MSC:  76E09 76R50 65N25
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On the finite spectrum of three-point boundary value problems. (Russian. English summary)Zbl 1458.34040

MSC:  34B09 34L05 34B10
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Computation of eigenfrequencies of an acoustic medium in a prolate spheroid by a modified Abramov method. (English. Russian original)Zbl 1455.35060

Comput. Math. Math. Phys. 60, No. 10, 1642-1655 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1697-1710 (2020).
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Survey on the Kakutani problem in $$p$$-adic analysis. II. (English)Zbl 1463.12005

MSC:  12J25 46S10
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Global bifurcation and nodal solutions for homogeneous Kirchhoff type equations. (English)Zbl 1463.34080

MSC:  34B09 34C23 34L05
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Coherence analysis for iterated line graphs of multi-subdivision graph. (English)Zbl 1441.05206

MSC:  05C82 05C76
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Discreteness of the leaky wave spectrum of an open inhomogeneous metal-dielectric circular-section waveguide. (English. Russian original)Zbl 1448.35495

Differ. Equ. 56, No. 8, 1072-1080 (2020); translation from Differ. Uravn. 56, No. 8, 1095-1102 (2020).
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The role of Majorana-like bound states in the Andreev reflection and the Josephson effect in the case of a topological insulator. (English. Russian original)Zbl 1445.81024

Theor. Math. Phys. 202, No. 1, 72-88 (2020); translation from Teor. Mat. Fiz. 202, No. 1, 81-97 (2020).
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Verification of spectral analysis of a self-adjoint differential operator “following Landau and Lifshitz” by means of its Green function. (English. Russian original)Zbl 1479.34135

Proc. Steklov Inst. Math. 309, 299-316 (2020); translation from Tr. Mat. Inst. Steklova 309, 320-337 (2020).
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On ergodic flows with simple Lebesgue spectrum. (English. Russian original)Zbl 1448.37002

Sb. Math. 211, No. 4, 594-615 (2020); translation from Mat. Sb. 211, No. 4, 123-144 (2020).
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On a class of elliptic boundary-value problems with parameter and discontinuous non-linearity. (English. Russian original)Zbl 1445.35149

Izv. Math. 84, No. 3, 592-607 (2020); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 84, No. 3, 168-184 (2020).
MSC:  35J25 35J60 35P30
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Assignability of Lyapunov spectrum for discrete linear time-varying systems. (English)Zbl 1446.93009

Bohner, Martin (ed.) et al., Difference equations and discrete dynamical systems with applications. ICDEA 24, Dresden, Germany, May 21–25, 2018. Proceedings of the 24th international conference on difference equations and applications. Cham: Springer. Springer Proc. Math. Stat. 312, 133-147 (2020).
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Diagonalization of the finite Hilbert transform on two adjacent intervals: the Riemann-Hilbert approach. (English)Zbl 1452.44004

MSC:  44A15 47A10
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On the inverse eigenvalue problem of symmetric nonnegative matrices. (English)Zbl 1452.15008

MSC:  15A29 15A18
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Inverse problems for symmetric doubly stochastic matrices whose Suleĭmanova spectra are bounded below by 1/2. (English)Zbl 1436.65042

MSC:  65F18 15A18 15B51
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Asymptotic behavior of mild solutions to fractional Cauchy problems in Banach spaces. (English)Zbl 07187434

MSC:  47A10 47D09
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On small oscillations of three joined pendulums with cavities filled with homogeneous ideal fluids. (Russian. English summary)Zbl 1434.70027

MSC:  70E55 35M33
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Decay estimates of solutions to the bipolar compressible Euler-Poisson system in $$\mathbb{R}^3$$. (English)Zbl 1435.35067

MSC:  35B40 35Q35 76W05
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A spectral dichotomy version of the nonautonomous Markus-Yamabe conjecture. (English)Zbl 1436.34057

MSC:  34D09 37C60 34D20
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Smoothing Brascamp-Lieb inequalities and strong converses of coding theorems. (English)Zbl 1434.94049

MSC:  94A24 94A29
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Conditions of discreteness of the spectrum for Schrödinger operator and some optimization problems for capacity and measures. (English)Zbl 07526304

Appl. Anal. Optim. 3, No. 2, 281-306 (2019); erratum ibid. 5, No. 3, 401 (2021).
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Location of eigenmodes of Euler-Bernoulli beam model under fully non-dissipative boundary conditions. (English)Zbl 1472.74134

MSC:  74K10 35Q74
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Stability of Poiseuille-type flows for an MHD model of an incompressible polymeric fluid. (English. Russian original)Zbl 1457.76072

Fluid Dyn. 54, No. 8, 1051-1058 (2019); translation from Prikl. Mat. Mekh. 83, No. 5-6, 779-789 (2019).
MSC:  76E05 76W05 76A10
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MSC:  47A10
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