## Found 912 Documents (Results 1–100)

100
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### The heat equation with singular potentials. II: hypoelliptic case. (English)Zbl 07528249

MSC:  35K05 35H10
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### The regularized asymptotics of a solution of the Cauchy problem in the presence of a weak turning point of the limit operator. (English. Russian original)Zbl 07483851

Sb. Math. 212, No. 10, 1415-1435 (2021); translation from Mat. Sb. 212, No. 10, 76-95 (2021).
MSC:  34E20 34A12 34E05
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### Eigenvalues of positive pseudo-Hermitian matrices. (English)Zbl 07464618

Baklouti, Ali (ed.) et al., Geometric and harmonic analysis on homogeneous spaces and applications. TJC 2019, Djerba, Selected papers based on the presentations at the 6th Tunisian-Japanese conference. In honor of Professor Takaaki Nomura. Tunisia, December 15–19, 2019. Cham: Springer. Springer Proc. Math. Stat. 366, 51-67 (2021).
MSC:  15A18 15A42 44A10
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### Asymptotics of the solution to the Cauchy problem for a singularly perturbed operator differential transport equation in several space variables. (English. Russian original)Zbl 1481.35029

Comput. Math. Math. Phys. 61, No. 12, 2015-2023 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 12, 2050-2058 (2021).
MSC:  35B25 35Q20 35Q49
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### Asymptotic solution of the Cauchy problem for a first-order differential equation with a small parameter in a Banach space. (English. Russian original)Zbl 1472.34115

Math. Notes 110, No. 1, 145-151 (2021); translation from Mat. Zametki 110, No. 1, 143-150 (2021).
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### Exact boundaries for the analytical approximate solution of a class of first-order nonlinear differential equations in the real domain. (English)Zbl 07380833

MSC:  35A25 35C10 35A35
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### Asymptotic behavior of solutions to a Cauchy problem with a turning point in the case of change of stability. (English. Russian original)Zbl 1469.34079

J. Math. Sci., New York 254, No. 6, 808-810 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 156, 103-105 (2018).
MSC:  34E20 34A12 34E05
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### The Cauchy problem for parabolic equations with degeneration. (English)Zbl 1478.35124

MSC:  35K15 35A21 35K67
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### Singularly perturbed Cauchy-Riemann equation with a singularity in the lower coefficient. (English. Russian original)Zbl 1453.35013

Comput. Math. Math. Phys. 60, No. 10, 1701-1707 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1757-1763 (2020).
MSC:  35B25 35F35
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### Dirichlet problem for a generalized Cauchy-Riemann equation with a supersingular point on a half-plane. (English. Russian original)Zbl 1456.30084

Comput. Math. Math. Phys. 60, No. 10, 1679-1685 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1734-1740 (2020).
MSC:  30G20 30E25
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MSC:  35M12
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### Parametrization of solutions to the Emden-Fowler equation and the Thomas-Fermi model of compressed atoms. (English. Russian original)Zbl 1455.34018

Comput. Math. Math. Phys. 60, No. 8, 1271-1283 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 8, 1315-1328 (2020).
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### On the spectra of some $$g$$-circulant matrices and applications to nonnegative inverse eigenvalue problem. (English)Zbl 1437.15024

Reviewer: Tin Yau Tam (Reno)
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### A solution of the singularly perturbed Cauchy problem in the presence of a “weak” turning point at the limit operator. (Russian. English summary)Zbl 1436.34060

MSC:  34E15 34A12 34A30
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### The inner-boundary value problem for a mixed type equation with a nonsmooth parabolic degeneration line. (Russian. English summary)Zbl 1452.35115

MSC:  35M12 35R11

### Behavior of singular integral along the real axis with density vanishing near infinity point. (English. Russian original)Zbl 1439.30061

Russ. Math. 63, No. 11, 56-66 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 11, 64-75 (2019).
MSC:  30E20 30E25
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### Toeplitz nonnegative realization of spectra via companion matrices. (English)Zbl 1433.15022

MSC:  15A29 15A18 15B05
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### On existence of solutions of nonlinear equilibrium problems on shallow inhomogeneous anisotropic shells of the Timoshenko type. (English. Russian original)Zbl 1433.30102

Russ. Math. 63, No. 8, 38-53 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 8, 45-61 (2019).
MSC:  30E20 30E25 35J60
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### Hilbert problem for the Cauchy-Riemann equation with a singular circle and a singular point. (English. Russian original)Zbl 1433.30116

J. Math. Sci., New York 241, No. 3, 327-339 (2019); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 139, 79-90 (2017).
MSC:  30G20 30E25 35J46
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### On the Hölder property of solutions of a generalized system of Beltrami equations. (English. Russian original)Zbl 1422.30070

Differ. Equ. 55, No. 2, 231-242 (2019); translation from Differ. Uravn. 55, No. 2, 226-237 (2019).
MSC:  30G20 30E25 30E20
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### Regularization of the solution of the Cauchy problem: the quasi-reversibility method. (Russian, English)Zbl 1438.65215

Sib. Zh. Ind. Mat. 21, No. 4, 96-109 (2018); translation in J. Appl. Ind. Math. 12, No. 4, 716-728 (2018).
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### Singular Cauchy problem for generalized homogeneous Euler-Poisson-Darboux equation. (English)Zbl 1438.35303

MSC:  35Q05 35L81 35L15
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### Two-parameter asymptotics in a bisingular Cauchy problem for a parabolic equation. (English. Russian original)Zbl 1401.35150

Proc. Steklov Inst. Math. 301, Suppl. 1, S191-S200 (2018); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 23, No. 2, 94-103 (2017).
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### A method to study the Cauchy problem for a singularly perturbed homogeneous linear differential equation of arbitrary order. (English. Russian original)Zbl 1406.34049

Mosc. Univ. Math. Bull. 73, No. 2, 41-49 (2018); translation from Vestn. Mosk. Univ., Ser. I 73, No. 2, 3-12 (2018).
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### Nonlinear harmonic analysis of integral operators in weighted grand Lebesgue spaces and applications. (English)Zbl 1400.42010

MSC:  42B20 42B25 46E30
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### Singular Cauchy problem for an ordinary differential equation unsolved with respect to the derivative of the unknown function. (English. Ukrainian original)Zbl 1395.34014

J. Math. Sci., New York 231, No. 6, 712-729 (2018); translation from Neliniĭni Kolyvannya 20, No. 2, 166-183 (2017).
MSC:  34A12 34A09
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### On one method for studying the Cauchy problem for a singularly perturbed nonlinear first-order differential operator. (English. Russian original)Zbl 1398.34029

Differ. Equ. 54, No. 2, 152-164 (2018); translation from Differ. Uravn. 54, No. 2, 155-167 (2018).
MSC:  34A12 34E15 47H09
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### Singular Cauchy problem for the general Euler-Poisson-Darboux equation. (English)Zbl 06892344

MSC:  35Q05 26A33 44A15
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MSC:  42B20
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### On the behavior of solutions of some systems of differential equations partially solved with respect to the derivatives in the presence of a pole. (English. Ukrainian original)Zbl 1390.34241

J. Math. Sci., New York 229, No. 4, 455-469 (2018); translation from Neliniĭni Kolyvannya 20, No. 1, 113-126 (2017).
MSC:  34M35
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### Self-accessible states for linear systems on time scales. (English)Zbl 1379.93070

MSC:  93C70 93C05 34N05
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### About some generalizations of the properties of the Erdélyi-Kober operator and their application. (Russian. English summary)Zbl 1412.35069

MSC:  35G10 26A33 35R09
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### An analogue of the Schwarz problem for the Moisil-Teodorescu system. (English)Zbl 1404.35312

Kalmenov, Tynysbek Sh. (ed.) et al., Functional analysis in interdisciplinary applications, Astana, Kazakhstan, October 2–5, 2017. Cham: Springer (ISBN 978-3-319-67052-2/hbk; 978-3-319-67053-9/ebook). Springer Proceedings in Mathematics & Statistics 216, 164-170 (2017).
MSC:  35Q15 45E05
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### The Gevrey boundary value problem for a third order equation. (Russian. English summary)Zbl 1413.35267

MSC:  35K65 35K35 35M10
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### The asymptotics of solutions of a singularly perturbed equation with a of fractional turning point. (Russian. English summary)Zbl 1387.34087

MSC:  34E05 34E15 34A12
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### A nonlocal problem for degenerate hyperbolic equation. (English. Russian original)Zbl 1382.45010

Russ. Math. 61, No. 7, 43-48 (2017); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2017, No. 7, 50-56 (2017).
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### Application of AAK theory for sparse approximation. (English)Zbl 1381.65033

Göttingen: Univ. Göttingen, Fakultät für Mathematik und Informatik (Diss.). xi, 114 p. (2017).
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### Mechanical quadrature method as applied to singular integral equations with logarithmic singularity on the right-hand side. (English. Russian original)Zbl 1457.74147

Comput. Math. Math. Phys. 57, No. 8, 1285-1293 (2017); translation from Zh. Vychisl. Mat. Mat. Fiz. 57, No. 8, 1294-1303 (2017).
MSC:  74M15 45E05 65R20
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### A method of integral equations in nonlinear boundary-value problems for flat shells of the Timoshenko type with free edges. (English. Russian original)Zbl 1391.74146

Russ. Math. 61, No. 4, 49-64 (2017); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2017, No. 4, 59-75 (2017).
MSC:  74K25 35Q74 30E20
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### Regularization methods of the continuation problem for the parabolic equation. (English)Zbl 1368.65130

Dimov, Ivan (ed.) et al., Numerical analysis and its applications. 6th international conference, NAA 2016, Lozenetz, Bulgaria, June 15–22, 2016. Revised selected papers. Cham: Springer (ISBN 978-3-319-57098-3/pbk; 978-3-319-57099-0/ebook). Lecture Notes in Computer Science 10187, 220-226 (2017).
MSC:  65M06 35K15
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### A singularly perturbed boundary value problems with fractional powers of elliptic operators. (English)Zbl 1368.65210

Dimov, Ivan (ed.) et al., Numerical analysis and its applications. 6th international conference, NAA 2016, Lozenetz, Bulgaria, June 15–22, 2016. Revised selected papers. Cham: Springer (ISBN 978-3-319-57098-3/pbk; 978-3-319-57099-0/ebook). Lecture Notes in Computer Science 10187, 141-152 (2017).
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### Stability of welding problem with perturbations. (English)Zbl 1367.30022

MSC:  30E20 45E05
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### The Haseman boundary value problem with slowly oscillating coefficients and shifts. (English)Zbl 1364.45004

Bini, Dario A. (ed.) et al., Large truncated Toeplitz matrices, Toeplitz operators, and related topics. The Albrecht Böttcher anniversary volume. Basel: Birkhäuser/Springer (ISBN 978-3-319-49180-6/hbk; 978-3-319-49182-0/ebook). Operator Theory: Advances and Applications 259, 463-500 (2017).
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### On a collocation-quadrature method for the singular integral equation of the notched half-plane problem. (English)Zbl 1364.65293

Bini, Dario A. (ed.) et al., Large truncated Toeplitz matrices, Toeplitz operators, and related topics. The Albrecht Böttcher anniversary volume. Basel: Birkhäuser/Springer (ISBN 978-3-319-49180-6/hbk; 978-3-319-49182-0/ebook). Operator Theory: Advances and Applications 259, 413-462 (2017).
MSC:  65R20 45E05
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### The Cauchy-Dirichlet problem for a general class of parabolic equations. (English)Zbl 1366.35056

MSC:  35K20 35B65 35K92
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### The Cauchy problem on large time for the water waves equations with large topography variations. (English)Zbl 1359.35154

MSC:  35Q35 76B15 76M45
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### On the exceptional case of the characteristic singular equation with Cauchy kernel. (English)Zbl 1361.30064

Differ. Equ. 52, No. 12, 1650-1654 (2016); translation from Differ. Uravn. 52, No. 12, 1721-1725 (2016).
MSC:  30E25
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### 3D Fredholm integral equations for scattering by dielectric structures. (English. Russian original)Zbl 1366.78015

Differ. Equ. 52, No. 9, 1178-1187 (2016); translation from Differ. Uravn. 52, No. 9, 1221-1230 (2016).
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### Singularly perturbed problems for abstract differential equations of second order in Hilbert spaces. (English)Zbl 1351.35010

Barbu, Viorel (ed.) et al., New trends in differential equations, control theory and optimization. Proceedings of the 8th congress of Romanian Mathematicians, Iaşi, Romania, June 26 – July 5, 2015. Hackensack, NJ: World Scientific (ISBN 978-981-3142-85-5/hbk; 978-981-3142-87-9/ebook). 277-291 (2016).
MSC:  35B25
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### On estimates of solutions to elliptic inequalities near a singular point. (English. Russian original)Zbl 1355.35078

Math. Notes 99, No. 4, 608-610 (2016); translation from Mat. Zametki 99, No. 4, 623-625 (2016).
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### Local solvability of a system of equations related to Ricci-flat Kähler metrics. (English)Zbl 1347.35091

MSC:  35G55 35A20
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