Found 191 Documents (Results 1–100)
Coulomb problem in a one-dimensional space with constant positive curvature. (English) Zbl 1178.81062
Theor. Math. Phys. 135, No. 3, 808-813 (2003); translation from Teor. Mat. Fiz. 135, No. 3, 427-433 (2003).
MSC:
81Q05
Exact solution to the one-dimensional Dirac equation with time varying mass. (English) Zbl 1167.81380
A note on Magnus’ conjecture. (English) Zbl 1193.33030
Reviewer: Roelof Koekoek (Delft)
Low-complexity estimation of 2D DOA for coherently distributed sources. (English) Zbl 1144.94347
MSC:
94A12
Regularized trace of a singular Chebyshev operator. (Russian. English summary) Zbl 1143.34327
Reviewer: Klaus R. Schneider (Berlin)
Asymptotics of eigenvalues of a differential operator of Hermite’s type. (Russian. English summary) Zbl 1143.34326
Reviewer: Klaus R. Schneider (Berlin)
On the range of variation of an eigenvalue when the potential is varied. (English. Russian original) Zbl 1143.34325
Dokl. Math. 68, No. 2, 247-252 (2003); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 392, No. 5, 592-597 (2003).
Reviewer: Klaus R. Schneider (Berlin)
Equiconvergence of series expansions in terms of trigonometric functions and eigenfunctions of the Sturm-Liouville operator with a distribution potential. (English. Russian original) Zbl 1143.34324
Dokl. Math. 68, No. 2, 191-193 (2003); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 392, No. 2, 170-173 (2003).
Reviewer: Klaus R. Schneider (Berlin)
Construction of one-dimensional rings with fixed value of \(t(R)\lambda_R(R/{\mathfrak C})- \lambda_R(\overline{R}/R)\). (English) Zbl 1092.13503
Formation of a hydroseparation crack in a porous medium. (Russian, English) Zbl 1117.76060
Vestn. Mosk. Univ., Ser. I 2003, No. 6, 28-36 (2003); translation in Mosc. Univ. Mech. Bull. 58, No. 6, 12-25 (2003).
Reviewer: A. Ja. Olejnik (Kyïv)
On two-dimensional finite-gap potential Schrödinger and Dirac operators with singular spectral curves. (Russian, English) Zbl 1091.34557
Sib. Mat. Zh. 44, No. 4, 870-882 (2003); translation in Sib. Math. J. 44, No. 4, 686-694 (2003).
A barrier-type grid generator and its application to the computations of flow with moving boundaries. (Russian, English) Zbl 1121.76376
Zh. Vychisl. Mat. Mat. Fiz. 43, No. 6, 902-908 (2003); translation in Comput. Math. Math. Phys. 43, No. 6, 863-869 (2003).
Reviewer: Andrei Zemskov (Moskva)
A remark on the numerical solution of a scattering problem for the Schrödinger equation on the whole line. (Russian, English) Zbl 1078.34067
Zh. Vychisl. Mat. Mat. Fiz. 43, No. 3, 433-434 (2003); translation in Comput. Math. Math. Phys. 43, No. 3, 414-415 (2003).
Reviewer: Evgenij Nechaev (Moskva)
On some spectral properties of operators generated by quasi-differential multi-interval systems. (English) Zbl 1078.34066
Transformation operators for Sturm-Liouville equation with the potential involving negative degrees of the spectral parameter. (English) Zbl 1080.34568
Study of the spectral characteristics of the one-dimensional Schrödinger operator with a potential having \(\delta\) and \(\delta'\) interactions. (English. Russian original) Zbl 1097.34552
Russ. Math. 47, No. 8, 74-78 (2003); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2003, No. 8, 77-81 (2003).
Reviewer: Chung-Tsun Shieh (Taipei)
On completeness of eigenfunctions of two discontinuous differential operators. (English) Zbl 1089.34556
Reviewer: Klaus R. Schneider (Berlin)
On the properties of spaces of sequences and functions connected with problems on correctness of mixed problems. (English) Zbl 1076.35515
MSC:
35G30
On influence of module of continuity of potential of a Schrödinger operator to equiconvergence rate. (English) Zbl 1243.34132
Existence and nonexistence of entire solutions to the logistic differential equation. (English) Zbl 1111.34004
Reviewer: Adriana Buică (Bellaterra)
On limits of solutions of the Riemann problem for a system of isentropic gas dynamics with viscosity in Euler coordinates. (English. Russian original) Zbl 1065.35180
Sb. Math. 194, No. 6, 793-811 (2003); translation from Mat. Sb. 194, No. 6, 3-22 (2003).
Reviewer: Vladimir Shelukhin (Novosibirsk)
Estimates of bounded solutions of linear differential equations. (English. Russian original) Zbl 1082.34529
Differ. Equ. 39, No. 3, 447-450 (2003); translation from Differ. Uravn. 39, No. 3, 413-415 (2003).
Reviewer: Daniel C. Biles (Bowling Green)
Sturm-Liouville operators with distribution potentials. (English. Russian original) Zbl 1066.34085
Trans. Mosc. Math. Soc. 2003, 143-192 (2003); translation from Tr. Mosk. Mat. O.-va 64, 159-212 (2003).
MSC:
34L40
Sturm-Liouville problem with a distributed condition. (English) Zbl 1071.34088
Reviewer: Mihai Pascu (Bucureşti)
\(K\)-theory of \(C^*\)-algebras from one-dimensional generalized solenoids. (English) Zbl 1061.46049
Reviewer: Vladimir M. Manuilov (Moskva)
Comparison theorems for eigenvalues of one-dimensional Schrödinger operators. (English) Zbl 1064.34072
Reviewer: Kazushi Yoshitomi (Tokyo)
Dissipative Schrödinger-type operators as a model for generation and recombination. (English) Zbl 1062.82035
Spectral problems for parabolic equations with conditions of conjugation and dynamical boundary conditions. (English) Zbl 1061.35056
Reviewer: Boško Jovanović (Beograd)
Completeness theorems for Dirac-type operators with boundary conditions of general form that depend on the spectral parameter. (English. Russian original) Zbl 1064.34075
Math. Notes 74, No. 2, 302-307 (2003); translation from Mat. Zametki 74, No. 2, 316-320 (2003).
Reviewer: Victor S. Rykhlov (Saratov)
Spectra of 1-D periodic Dirac operators and smoothness of potentials. (English) Zbl 1079.47044
Reviewer: Pavel Dyshlovenko (Ul’yanovsk)
A thermodynamic limit of relative Fredholm determinant of Green operators for random Schrödinger operators. (English) Zbl 1213.82049
Classical magnetic Lifshits tails in three space dimensions: impurity potentials with slow anisotropic decay. (English) Zbl 1213.82046
High disorder localization for random Schrödinger operators through explicit finite volume criteria. (English) Zbl 1213.82045
The spectral theory of adiabatic quasi-periodic operators on the real line. (English) Zbl 1059.34060
Reviewer: Manfred Möller (Johannesburg)
Oscillation of half-linear partial differential equations with first order terms. (English) Zbl 1052.35013
The solution of the one-dimensional nonlinear Poisson’s equations by the decomposition method. (English) Zbl 1051.65079
Asymptotic behavior of generalized risk processes under possibility of larger claim size. (Russian) Zbl 1048.91075
Reviewer: Elena Glukhova (Moskva)
MSC:
91B30
62G07
Mean duration of transient process in dynamical systems with discrete time. (Russian) Zbl 1109.70305
Reviewer: Mikhail Kalugin (Moskva)
Inversion of the translation theorem for general risk processes. (Russian) Zbl 1049.91095
Reviewer: Elena Glukhova (Moskva)
MSC:
91B30
91B70
Numerical simulation of ion transport in electrodeposition under more realistic conditions. (Spanish. English summary) Zbl 1048.76532
Construction of mappings with attracting cycles. (English) Zbl 1057.39021
Reviewer: Igor Gumowski (Thoiry)
Inverse spectral theory for one-dimensional Schrödinger operators: The \(A\) function. (English) Zbl 1087.34004
The ‘Indian wire trick’ via parametric excitation: a comparison between theory and experiment. (English) Zbl 1047.70044
Selfadjoint and dissipative extensions of a symmetric Schrödinger operator. (English) Zbl 1049.34104
MSC:
34L40
The structure of solutions of the Schrödinger equation. (English) Zbl 1056.34097
Reviewer: Vjacheslav Yurko (Saratov)
Unusual poles of the \(\zeta\)-functions for some regular singular differential operators. (English) Zbl 1043.58017
On the inverse resonance problem. (English) Zbl 1050.34004
Reviewer: Messoud A. Efendiev (Berlin)
Some uniqueness results of discontinuous coefficients for the one-dimensional inverse spectral problem. (English) Zbl 1050.34005
Reviewer: Messoud A. Efendiev (Berlin)
On Povzner-Wienholtz-type self-adjointness results for matrix-valued Sturm-Liouville operators. (English) Zbl 1069.47052
Reviewer: Nickolai Kosmatov (Little Rock)
A counterexample to a multilinear endpoint question of Christ and Kiselev. (English) Zbl 1058.34112
Reviewer: S. Carmi (Baltimore)
Twin positive solutions of functional differential equations for the one-dimensional \(p\)-Laplacian. (English) Zbl 1047.34075
Reviewer: Radu Precup (Cluj-Napoca)
MSC:
34K10
Schrödinger operators with a number of negative eigenvalues equal to the number of point interactions. (English) Zbl 1046.34093
Reviewer: A. N. Kochubei (Kyïv)
Spectral analysis of one-dimensional Dirac operators with slowly decreasing potentials. (English) Zbl 1053.34075
Reviewer: Christiane Tretter (Bremen)
Singular perturbations of self-adjoint operators. (English) Zbl 1051.47011
Reviewer: Michael Perelmuter (Kyïv)
Absolutely continuous spectrum of Stark operators. (English) Zbl 1046.34095
Reviewer: Jochen Denzler (Knoxville)
Sturm-Liouville systems are Riesz-spectral systems. (English) Zbl 1065.93010
Reviewer: Hans Zwart (Enschede)
Transfer function approach to output specification in certain linear distributed parameter systems. (English) Zbl 1063.93024
Reviewer: Vadim Komkov (Florida)
Group analysis and exact solutions of the equations of plane motion of a viscous liquid in terms of velocity-vorticity. (Russian. English summary) Zbl 1048.76048
Reviewer: N. I. Alexandrova (Novosibirsk)
Maintaining the stability of a leapfrog scheme in the presence of source terms. (English) Zbl 1033.76040
Convergence and periodicity in a delayed network of neurons with threshold nonlinearity. (English) Zbl 1054.34112
Reviewer: Sergiy Yanchuk (Berlin)
Boundary conditions of Sturm-Liouville operators with mixed spectra. (English) Zbl 1056.34099
Reviewer: Victor S. Rykhlov (Saratov)
On Magnus integrators for time-dependent Schrödinger equations. (English) Zbl 1049.65064
Reviewer: Manuel Calvo (Zaragoza)
The asymptotics of spectral gaps of a 1D Dirac operator with cosine potential. (English) Zbl 1046.34096
Reviewer: Eckhard Giere (Clausthal-Zellerfeld)
On the number of negative eigenvalues of a one-dimensional Schrödinger operator with point interactions. (English) Zbl 1056.34093
Reviewer: Vadim Komkov (Florida)
Power-law bounds on transfer matrices and quantum dynamics in one dimension. (English) Zbl 1033.81032
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