## Found 102 Documents (Results 1–100)

100
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### Analytical modeling of laminated composite plates using Kirchhoff circuit and wave digital filters. (English)Zbl 1476.35132

MSC:  35L10 58J45
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### Analysis of the discrete Spectrum of the family SPECTRUM of $$3\times 3$$ operator matrices. (English)Zbl 1453.81029

MSC:  81Q10 35P20 47N50
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### Threshold phenomenon for a family of the generalized Friedrichs models with the perturbation of rank one. (English)Zbl 1463.35393

Ufim. Mat. Zh. 11, No. 4, 139-149 (2019) and Ufa Math. J. 11, No. 4, 140-150 (2019).
MSC:  35P15 47A10
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### Solvability of the operator Riccati equation in the Feshbach case. (English. Russian original)Zbl 07083420

Math. Notes 105, No. 4, 485-502 (2019); translation from Mat. Zametki 105, No. 4, 483-505 (2019).
MSC:  47A52
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### Local existence of solution to the incompressible Oldroyd model equations. (English)Zbl 1424.35284

MSC:  35Q35 76A10 76B03
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MSC:  47A45
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### Stable Runge-Kutta discontinuous Galerkin solver for hypersonic rarefied gaseous flow based on 2D Boltzmann kinetic model equations. (English)Zbl 1365.65225

MSC:  65M60 76P05 76M25 82C40
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### Investigations of the numerical range of a operator matrix. (Russian. English summary)Zbl 1413.81022

MSC:  81Q10 35P20 47N50
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### Number of eigenvalues of a three-particle lattice model Hamiltonian. (English)Zbl 1311.82014

MSC:  82B20 81Q10 81Q05

MSC:  47A10

### Structure of the essential spectrum of a model operator associated to a system of three particles on a lattice. (Russian. English summary)Zbl 1326.81076

MSC:  81Q10 35P20 47N50
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MSC:  81U20
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### On the essential spectrum of a model operator associated with the system of three particles on a lattice. (Russian. English summary)Zbl 1449.81021

MSC:  81Q10 35P20 47N50
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### Some spectral properties of a generalized Friedrichs model. (Russian. English summary)Zbl 1449.81023

MSC:  81Q10 35P20 47N50
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### On a method in scattering theory. (English. Russian original)Zbl 1263.47014

Trans. Mosc. Math. Soc. 2011, 14 p. (2011); translation from Tr. Mosk. Mat. O.-va 2011, No. 1, 143-156 (2011).
MSC:  47A40 35P25 35Q40
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### On infinity of the discrete spectrum of operators in the Friedrichs model. (Russian, English)Zbl 1243.47012

Mat. Tr. 14, No. 1, 195-211 (2011); translation in Sib. Adv. Math. 22, No. 1, 1-12 (2012).
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### Study of the essential spectrum of a matrix operator. (English. Russian original)Zbl 1256.81048

Theor. Math. Phys. 164, No. 1, 883-895 (2010); translation from Teor. Mat. Fiz. 164, No. 1, 62-77 (2010).
MSC:  81Q10 81Q05 81V70
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### Dissipative dynamics of the kaon decay process. (English)Zbl 1221.81174

MSC:  81V15 81Q10
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### Asymptotics of the discrete spectrum of a model operator associated with a system of three particles on a lattice. (English. Russian original)Zbl 1196.81123

Theor. Math. Phys. 163, No. 1, 429-437 (2010); translation from Teor. Mat. Fiz. 163, No. 1, 34-44 (2010); erratum ibid. 163, No. 2, 696 (2010).
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### New formulae for the wave operators for a rank one interaction. (English)Zbl 1206.47013

MSC:  47A40 81U15
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### Friedrichs model of transport operator. (Ukrainian. English summary)Zbl 1289.47017

MSC:  47A20 47N50 47A10

### The essential and discrete spectrum of a model operator associated to a system of three identical quantum particles. (English)Zbl 1180.81061

MSC:  81Q10 47B25 47N50
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### Expression for the number of eigenvalues of a Friedrichs model. (English. Russian original)Zbl 1219.81126

Math. Notes 82, No. 1, 67-74 (2007); translation from Mat. Zametki 82, No. 1, 75-83 (2007).
MSC:  81Q10 47B25 47N50
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MSC:  81P15
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### On the spectrum of an Hamiltonian in Fock space. Discrete spectrum asymptotics. (English)Zbl 1126.81022

MSC:  81Q10 47A10
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### Singular spectrum near a singular point of Friedrichs model operators of absolute type. (English)Zbl 1151.47031

MSC:  47B25 47A10 47A55
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### Generalized eigenvectors for resonances in the Friedrichs model and their associated Gamov vectors. (English)Zbl 1139.81057

Rev. Math. Phys. 18, No. 1, 61-78 (2006); addendum ibid. 19, No. 2, 227-229 (2007).
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### The role of chaos and resonances in Brownian motion. (English)Zbl 1132.82008

Sengupta, Ashok (ed.), Chaos, nonlinearity, complexity. The dynamical paradigm of nature. Proceedings of the international workshop on mathematics and physics of complex and nonlinear systems, Kanpur, India, March 14–26, 2004. Berlin: Springer (ISBN 978-3-540-31756-2/hbk). Studies in Fuzziness and Soft Computing 206, 179-206 (2006).
MSC:  82C10 37D45

### On the point spectrum of transport operator. (English)Zbl 1100.47038

MSC:  47G20 45K05 82D75 47N55 47A10

### Some spectral properties of the non-self-adjoint Friedrichs model operator. (English)Zbl 1098.47021

MSC:  47B06 47B25 47A10
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### Friedrichs model operators of absolute type with one singular point. (English)Zbl 1079.47024

MSC:  47B06 47B25
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### Description of the damped oscillator by a singular Friedrichs operator. (English)Zbl 1059.81062

Accardi, Luigi (ed.) et al., Fundamental aspects of quantum physics. Proceedings of the Japan-Italy joint workshop on quantum open systems, quantum chaos and quantum measurement, Tokyo, Japan, September 27–29, 2001. River Edge, NJ: World Scientific (ISBN 981-238-295-X/hbk). QP–PQ: Quantum Probab. White Noise Anal. 17, 322-339 (2003).
MSC:  81Q10 82C10 47A70

### Irreversibility, resonances and rigged Hilbert spaces. (English)Zbl 1052.81029

Benatti, Fabio (ed.) et al., Irreversible quantum dynamics. Papers of the conference on ‘Irreversible quantum dynamics’, Trieste, Italy, July 29 – August 2, 2002. Berlin: Springer (ISBN 3-540-40223-3/hbk). Lect. Notes Phys. 622, 245-302 (2003).
MSC:  81Q05 81U20

### Oscillating decay of an unstable system. (English)Zbl 1069.81576

MSC:  81V35 81U99 35B34
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MSC:  81P68
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### A weighted essentially non-oscillatory numerical scheme for a multi-class Lighthill–Whitham–Richards traffic flow model. (English)Zbl 1041.90008

MSC:  90B20 65M06
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### Examples of Friedrichs model operators with a cluster point of eigenvalues. (English)Zbl 1053.47014

MSC:  47B06 47B25
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MSC:  47D03
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### The Friedrichs nonselfadjoint model and Weyl function. (Ukrainian. English summary)Zbl 0982.47027

MSC:  47B38 47N55 47A55

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### Smooth adiabatic evolutions with leaky power tails. (English)Zbl 0966.81014

MSC:  81Q10 81V80
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### Subdynamics theory in the functional approach to quantum mechanics. (English)Zbl 0974.81013

MSC:  81Q05 81Q10
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### Spectrum and scattering for a weakly interacting lattice system with variable number of particles. (English. Russian original)Zbl 0919.47012

Trans. Mosc. Math. Soc. 1998, 159-177 (1998); translation from Tr. Mosk. Mat. O.-va 59, 175-196 (1998).

### Lyapunov stability of a perturbed multiplication operator. (English)Zbl 0921.47028

Dijksma, A. (ed.) et al., Contributions to operator theory in spaces with an indefinite metric. The Heinz Langer anniversary volume on the occasion of his 60th birthday. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 106, 309-326 (1998).

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### On spectrum of nonselfadjoint generalized Friedrichs model. (Russian)Zbl 0899.45002

MSC:  45C05 45P05 47A75

MSC:  81V05
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### Entropy solutions for a hydrodynamic model for semiconductors. (English)Zbl 0880.35067

Ding, Xiaxi (ed.) et al., Nonlinear evolutionary partial differential equations. Proceedings of the international conference, Beijing, China, June 21–25, 1993. Providence, RI: American Mathematical Society. AMS/IP Stud. Adv. Math. 3, 311-317 (1997).

### The bipolar hydrodynamic model for semiconductors and the drift-diffusion equations. (English)Zbl 0889.35109

MSC:  35Q60 78A35 35D05 65M99 65N99
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### Asymptotics of decay of correlations for lattice spin fields at high temperatures. I: The Ising model. (English)Zbl 1081.82526

MSC:  82B20 82B23 82B31
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### Removal of the resolvent-like dependence on the spectral parameter from perturbations. (English)Zbl 0886.47009

MSC:  47A55 47A40
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### The Rayleigh hydrodynamical problem: A theorem on eigenfunction expansion and the stability of plane-parallel flows. (English. Russian original)Zbl 0895.76031

Izv. Math. 60, No. 6, 1293-1316 (1996); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 60, No. 6, 201-221 (1996).
MSC:  76E05 35P10
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### Singular spectrum of the Friedrichs model operators in a neighborhood of the singular point. (English. Russian original)Zbl 0904.47007

Funct. Anal. Appl. 30, No. 1, 70-73 (1996); translation from Funkts. Anal. Prilozh. 30, No. 1, 92-95 (1996).
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### Selfadjoint extensions for a class of symmetric operators with defect numbers (1,1). (English)Zbl 0861.47015

Gheondea, A. (ed.) et al., Topics in operator theory, operator algebras and applications. 15th international conference on operator theory, Timişoara, Romania, June 6–10, 1994. Bucharest: Institute of Mathematics of the Romanian Academy. 115-145 (1995).

### Embedded eigenvalues and resonances of a generalized Friedrichs model. (English. Russian original)Zbl 0859.47046

Theor. Math. Phys. 103, No. 1, 390-397 (1995); translation from Teor. Mat. Fiz. 103, No. 1, 54-62 (1995).
MSC:  47N50 47A40 81U10
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### Rayleigh problem and Friedrichs model. (English)Zbl 0841.34082

Gohberg, I. (ed.) et al., Operator theory and boundary eigenvalue problems. Proceedings of the international workshop held in Vienna, Austria, July 27-30, 1993. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 80, 256-265 (1995).

### Spectral properties of the spin-boson Hamiltonian. (English)Zbl 0827.47053

MSC:  47N50 81U05
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### A soluble model for scattering and decay in quaternionic quantum mechanics. II: Scattering. (English)Zbl 0806.47007

MSC:  47A40 81U10
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### A soluble model for scattering and decay in quaternionic quantum mechanics. I: Decay. (English)Zbl 0806.47006

MSC:  47A40 44A10 81U10
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### On the singular spectrum of the discrete Schrödinger operator. (English)Zbl 0886.34073

MSC:  34L40 47A25 34L05
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### A general scheme in the stationary scattering theory. (English)Zbl 0818.35073

Birman, M. Sh. (ed.), Wave propagation. Scattering theory. Transl. from the Russian by Peter Zhevandrov. Transl. ed. by Simeon Ivanov. Providence, RI: American Mathematical Society. Transl., Ser. 2, Am. Math. Soc. 157, 87-112 (1993).
MSC:  35P25 47A40 81U05

### Nonphysical sheet for the Friedrichs model. (English. Russian original)Zbl 0836.47007

J. Math. Sci., New York 77, No. 3, 3232-3235 (1995); translation from Zap. Nauchn. Semi. POMI 200, 149-155 (1992).
MSC:  47A40 81U05
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### Non-physical sheet for the Friedrichs model. (Russian. English summary)Zbl 0812.47008

MSC:  47A40 81U05
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### Boundary of finiteness of the singular spectrum in a self-adjoint Friedrichs model. (Russian)Zbl 0764.47001

MSC:  47A10 47A40

### The boundary of finiteness of the singular spectrum in the selfadjoint Friedrichs model. (English. Russian original)Zbl 0791.47001

MSC:  47A10 47A40

### Conditions for the finiteness of the singular spectrum in the self- adjoint Friedrichs model. (English. Russian original)Zbl 0724.47010

Funct. Anal. Appl. 24, No. 4, 338-340 (1990); translation from Funkts. Anal. Prilozh. 24, No. 4, 88-89 (1990).
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### Composite type, change of type, and degeneracy in first order systems with applications to viscoelastic flows. (English)Zbl 0719.76006

Nonlinear evolution equations that change type, Proc. Workshop IMA Nonlinear Waves, Minneapolis/MN (USA) 1988-89, IMA Vol. Math. Appl. 27, 32-46 (1990).
MSC:  76A10 35Q35 47F05

### On the singular spectrum for selfadjoint operators. (English. Russian original)Zbl 0733.47025

Sov. Math., Dokl. 38, No. 3, 472-475 (1989); translation from Dokl. Akad. Nauk SSSR 303, No. 1, 33-36 (1988).

### Uniqueness theorems for operator-valued functions with positive imaginary part, and the singular spectrum in the selfadjoint Friedrichs model. (English)Zbl 0632.47012

Reviewer: Y.Kato
MSC:  47A56 47A10 30G30
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### Streamlined Darwin simulation of nonneutral plasmas. (English)Zbl 0611.76133

MSC:  76X05 76M99
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### A result about imbedded eigenvalues in the operator valued Friedrichs model. (English)Zbl 0618.45001

Reviewer: J.Burbea
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### Discrete spectrum of operator valued Friedrichs models. (English)Zbl 0601.45001

Reviewer: J.Burbea
MSC:  45C05 81Q10
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### A condition for the absence of the singular continuous spectrum in the Friedrichs model. II. (English)Zbl 0601.47014

MSC:  47A55 47A10 47A40
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### Uniqueness theorems for operator-valued functions with a positive imaginary part, and the singular spectrum in the Friedrichs selfadjoint model. (English. Russian original)Zbl 0587.47004

Sov. Math., Dokl. 29, 388-391 (1984); translation from Dokl. Akad. Nauk SSSR 275, 1310-1313 (1984).
Reviewer: N.K.Thakare
MSC:  47A10 30G30 46E15

### The hybrid model and its application for studying free expansion. (English)Zbl 0566.76053

MSC:  76N10 76M99
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### A test for the absence of a singular continuous spectrum in the Friedrichs model. II. (Russian. English summary)Zbl 0565.47010

Reviewer: St.Frunză
MSC:  47A55 47A10 47A40
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### Structure of the resonances of the generalized Friedrichs model. (English. Russian original)Zbl 0541.47011

Funct. Anal. Appl. 17, 317-319 (1983); translation from Funkts. Anal. Prilozh. 17, No. 4, 88-89 (1983).
Reviewer: N.Angelscu
MSC:  47A55 47B25
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### Eine Normabschätzung für den Lippmann-Schwinger-Operator. (German)Zbl 0539.35019

MSC:  35J10 35P25 42A38

### On the trace formula in the multichannel Friedrichs model. (English)Zbl 0463.47010

MSC:  47A40 47A55

### Zur Resolvente des mehrdimensionalen Schrödinger-Operators. (German)Zbl 0539.35018

MSC:  35J10 35P25 47A10

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### Asymptotic resonance properties of the finite-dimensional Friedrichs model. (Preprint). (English)Zbl 0445.47012

Akademie der Wissenschaften der DDR, Zentralinstitut für Mathematik und Mechanik, Berlin. 12 p. (1979).
MSC:  47A40

### Trattamento numerico di modelli descriventi fenomeni idrodinamici nelle reti di bacini. (Italian)Zbl 0446.76026

Pubbl., Ser. III, Ist. Appl. Calcolo 143, 30 P. (1978).

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