%0 Journal Article
%T J-self-adjoint extensions for second-order linear difference equations with complex coefficients
%A Huaqing Sun and Guojing Ren
%J Advances in Difference Equations
%D 2013
%I 
%R 10.1186/1687-1847-2013-3
%X MSC: 39A70, 47A06.
%K difference equation
%K complex coefficient
%K J-Hermitian subspace
%K J-self-adjoint subspace extension
%K defect index
%U http://www.advancesindifferenceequations.com/content/2013/1/3/abstract