scholarly journals An Eigenfunction Expansion for a Quadratic Pencil of a Schrödinger Operator with Spectral Singularities

1999 ◽  
Vol 151 (2) ◽  
pp. 268-289 ◽  
Author(s):  
Elgiz Bairamov ◽  
Öner Çakar ◽  
Allan M. Krall
Keyword(s):  
Schrödinger Operator ◽  
Eigenfunction Expansion ◽  
Schrodinger Operator ◽  
Spectral Singularities ◽  
Quadratic Pencil

scholarly journals On the two-dimensional Schrödinger operator with an attractive potential of the Bessel-Macdonald type

2020 ◽  
pp. 168385
Author(s):  
Wellisson B. De Lima ◽  
Oswaldo M. Del Cima ◽  
Daniel H.T. Franco ◽  
Bruno C. Neves
Keyword(s):  
Schrödinger Operator ◽  
Attractive Potential ◽  
Two Dimensional ◽  
Schrodinger Operator
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