D.R.Yafaev

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math.SP2007

Exponential decay of eigenfunctions of first order systems

D. R. Yafaev

For first order systems, we obtain an efficient bound on the exponential decay of an eigenfunction in terms of the distance between the corresponding eigenvalue and the essential s…

math.SP2005★ 2 cited

Scattering by magnetic fields

D. R. Yafaev

Consider the scattering amplitude $s (ω, ω^{'}; λ)$ , $ω, ω^{'} \in S^{d - 1}$ , $λ > 0$ , corresponding to an arbitrary short-range magnetic field $B (x)$ , $x \in R^{d}$ . This…