## Found 35 Documents (Results 1–35)

100
MathJax

Full Text:

Full Text:

### Asymptotic behavior of eigenvalues of a boundary value problem for a second-order elliptic differential-operator equation with spectral parameter quadratically occurring in the boundary condition. (English. Russian original)Zbl 1412.34236

Differ. Equ. 54, No. 9, 1256-1260 (2018); translation from Differ. Uravn. 54, No. 9, 1282-1286 (2018).
Full Text:

### Spectral properties of the family of even order differential operators with a summable potential. (English. Russian original)Zbl 1393.34034

Mosc. Univ. Math. Bull. 72, No. 4, 137-148 (2017); translation from Vestn. Mosk. Univ., Ser. I 72, No. 4, 3-15 (2017).
MSC:  34B09 34L20 34L10
Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

### Spectral properties of some regular boundary value problems for fourth order differential operators. (English)Zbl 1272.34025

MSC:  34B09 34L20 34L10
Full Text:

Full Text:

### On continuous dependence of the points of the spectrum of a boundary problem on a graph with respect to the parameters of the agreement condition. (Russian)Zbl 1100.34514

MSC:  34B45 34L05 34L20
Full Text:

Full Text:

Full Text:

### On the condition number for a system of eigenfunctions of a nonlinear spectral problem. (English. Russian original)Zbl 0964.34075

Dokl. Math. 59, No. 1, 38-41 (1999); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 364, No. 2, 170-173 (1999).

### On free vibrations of a thick periodic junction with concentrated masses on the fine rods. (English)Zbl 0953.35016

MSC:  35B27 74H45 35P05

### Asymptotic behavior of the normalized eigenfunctions of a Sturm-Liouville type operator for partial differential equations in the $$N$$-dimensional ball. (English. Russian original)Zbl 0964.35108

Math. Notes 65, No. 4, 519-521 (1999); translation from Mat. Zametki 65, No. 4, 622-625 (1999).
MSC:  35P20 35B40 34L20
Full Text:

### Asymptotic behavior of eigenfunctions and eigenvalues for ergodic and periodic systems. (English)Zbl 0928.37012

Tohoku Mathematical Publications. 12. Sendai: Tohoku University, iv, 67 p. (1999).
Reviewer: S.Zelik (Moskva)
Full Text:

### Resonances, radiation damping and instability in Hamiltonian nonlinear wave equations. (English)Zbl 0910.35107

MSC:  35Q40 81Q05 35B40
Full Text:

### Semiclassical asymptotics of the eigenfunctions of the Schrödinger-Hartree equation. New form of classical self-consistent field. (English. Russian original)Zbl 0850.35083

Theor. Math. Phys. 99, No. 1, 484-493 (1994); translation from Teor. Mat. Fiz. 99, No. 1, 141-154 (1994).
MSC:  35Q40 35P05 81Q20
Full Text:

### Quantization of the Bellman equation, exponential asymptotics and tunneling. (English)Zbl 0796.35141

Maslov, V. P. (ed.) et al., Idempotent analysis. Transl. ed. by A.B. Sossinskij. Providence, RI: American Mathematical Society. Adv. Sov. Math. 13, 1-46 (1992).

### Spectral properties of adiabatically perturbed differential operators with periodic coefficients. (English)Zbl 0726.34068

Recent developments in quantum mechanics, Proc. Conf., Braşov/Rom. 1989, Math. Phys. Stud. 12, 97-112 (1991).
MSC:  34L20

### On the asymptotic behavior of the discrete spectrum in the gaps of the continuous spectrum of a perturbed Hill operator. (Russian)Zbl 0724.34091

MSC:  34L20 34L40

### Splitting of the lowest energy levels of the Schrödinger equation and asymptotic behavior of the fundamental solution of the equation $$hu_ t=h^ 2\Delta u/2-V(x)u$$. (English. Russian original)Zbl 0745.35033

Theor. Math. Phys. 87, No. 3, 561-599 (1991); translation from Teor. Mat. Fiz. 87, No. 3, 323-375 (1991).
Full Text:

### The asymptotic behavior of the discrete spectrum in the gaps of the continuous spectrum of a perturbed Hill operator. (English. Russian original)Zbl 0828.34072

Funct. Anal. Appl. 25, No. 2, 162-164 (1991); translation from Funkts. Anal. Prilozh. 25, No. 2, 93-95 (1991).
MSC:  34L20 34L40
Full Text:

### Spectral properties of the operators $$H\psi =-\psi_{xx}+p(x)\psi +v(\epsilon x)\psi$$, p is periodic. (English)Zbl 0723.47042

Order, disorder and chaos in quantum systems, Proc. Conf., Dubna/USSR 1989, Oper. Theory, Adv. Appl. 46, 85-107 (1990).
MSC:  47F05 47A10

### Relativistic Schrödinger operators: Asymptotic behavior of the eigenfunctions. (English)Zbl 0716.35006

Reviewer: D.Robert
MSC:  35B40 35J10 35P99
Full Text:

### The propagation of electromagnetic waves through, along, and over a three-dimensional conducting half space. EM waves over a conducting earth. (English)Zbl 0644.35003

Methoden und Verfahren der Mathematischen Physik, Bd. 30. Frankfurt am Main-Bern-New York: Verlag Peter Lang. 205 p. SFr 48.00 (1986).
Reviewer: P.Zabrejko

### Number of quasimodes of whispering gallery type. (English. Russian original)Zbl 0572.73040

J. Sov. Math. 30, 2459-2462 (1985); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 128, 152-157 (1983).
Full Text:

Full Text:

### On the asymptotic behavior of the spectral function of a self-adjoint differential equation of the second order. (Über das asymptotische Verhalten der Spektralfunktion einer selbstadjungierten Differentialgleichung zweiter Ordnung.) (Russian)Zbl 0048.32403

MSC:  34L05 34L20

all top 5

all top 3