## Found 15 Documents (Results 1–15)

100
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### Estimate of the residual part in the spectral asymptotic form of pseudodifferential operators of negative order. (Russian)Zbl 0606.35084

Reviewer: O.Dumbrajs
MSC:  35S05 35P05

### Asymptotic behavior of solutions for t$$\to \infty$$ of the equation $$\psi _{xx}+u(x,t)\psi +(\lambda /4)\psi =0$$ with a potential u satisfying the Korteweg-de Vries equation. (Russian)Zbl 0606.35078

Reviewer: O.Dumbrajs

### Asymptotic behaviour of the spectrum of elliptic boundary problems in a small vector parameter. (Russian)Zbl 0606.35062

Reviewer: O.Dumbrajs
MSC:  35P20 35J20 35J25

### Variational principle for a complex eikonal. Comment on the paper of V. F. Lazutkin ”Complex billiard”. (Russian)Zbl 0606.35019

Reviewer: O.Dumbrajs
MSC:  35J05 35P05

### Complex billiard. (Russian)Zbl 0606.35018

Reviewer: O.Dumbrajs
MSC:  35J05 35P05

### Construction of the space-time ray asymptotic forms in nonstationary problems on the basis of stationary high-frequency asymptotic formulas. (Russian)Zbl 0604.76072

Reviewer: O.Dumbrajs
MSC:  76Q05

### An embedding theorem for some classes of analytic functions. (Russian)Zbl 0603.30060

Reviewer: O.Dumbrajs
MSC:  30H05

### Exponentially small splitting of eigenvalues of the Laplace operator corresponding to two natural oscillations of ”jumping ball” type. (Russian)Zbl 0602.58051

Reviewer: O.Dumbrajs
MSC:  58J50 35Q99

### Asymptotic behaviour of eigenvalues of the one-dimensional Schrödinger operator in case that the potential tends to a non-summable one. (Russian)Zbl 0601.47041

Reviewer: O.Dumbrajs
MSC:  47F05 35J10 47A10

### Inverse problems of acoustics in a moving medium. (Russian)Zbl 0599.76091

Reviewer: O.Dumbrajs
MSC:  76Q05 35R30

### Influence of the variable depth and of the nonlinear and dispersion second order terms on the propagation of surface gravitational waves. (Russian)Zbl 0599.76027

Reviewer: O.Dumbrajs
MSC:  76B25 35Q99

### Quasimodes and exponential splitting of eigenvalues. (Russian)Zbl 0599.47033

Reviewer: O.Dumbrajs
MSC:  47B25 47A10 81Q05

### “Nonsymmetric” variant of the scattering theory for relatively smooth perturbations. (Russian)Zbl 0599.47015

Reviewer: O.Dumbrajs
MSC:  47A40 47A55

### Asymptotic dynamics and spectral analysis for the one-dimensional Schrödinger operator with accelerating potential. (Russian)Zbl 0599.47013

Reviewer: O.Dumbrajs
MSC:  47A40 47F05

### Spectrum of $$C^*$$-algebras of pseudodifferential operators with discontinuous symbols in an open manifold. (Russian)Zbl 0599.46079

Reviewer: O.Dumbrajs
MSC:  46L05 47Gxx 35S05

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