Let L denote the operator generated in ℓ2 (Z) by the difference expression (ℓy) n= an− 1yn−
1+ bnyn+ anyn+ 1, n∈ Z={0,±1,±2,…}, where {an} n∈ Z and {bn} n∈ Z are complex …

In this paper, we consider the operatorLgenerated inL2 (R+) by the differential expressionℓ
(y)=− y ″+[q (x)+ 2λp (x)− λ 2] y, x∈ R+=[0,∞), and the boundary conditiony (0)= 0 …

Spectral analysis of q-difference equations with spectral singularities - ScienceDirect Skip to
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Spectral Analysis of Non–Selfadjoint Discrete Schrödinger Operators with Spectral Singularities
1. Introduction Page 1 Math. Nachr. 231 (2001), 89 – 104 Spectral Analysis of Non–Selfadjoint …

Difference equations of second order with spectral singularities Page 1 J. Math. Anal. Appl. 277
(2003) 714–721 www.elsevier.com/locate/jmaa Difference equations of second order with …

Jost Solutions and the Spectrum of the System of Difference Equations Page 1 ELSEVIER
Available online at www.sciencedirect.com SCIENCE ~IDIRECT Applied Mathematics Letters 17 …

In this paper, we find polynomial type Jost solution of the selfadjoint matrix-valued difference
equation of second order. Then we investigate analytical properties and asymptotic …

TC BALIKESİR ÜNİVERSİTESİ SOSYAL BİLİMLER ENSTİTÜSÜ TARİH ANABİLİM DALI II.
MEŞRUTİYET DÖNEMİNDE İSLAMCILIK Page 1 TC BALIKESİR ÜNİVERSİTESİ SOSYAL …

Spectral singularities of Klein-Gordon <Emphasis Type="Italic">s</Emphasis>-wave equations
with an integra Page 1 Acta Math. Hungar. 97 (1-2) (2002), 121-131. SPECTRAL …

We develop the scattering theory for the charged Klein–Gordon equation on R t× R x, when
the electrostatic potential A (x) has different asymptotics a±as x→±∞. In this case, the …