%0 Journal Article
%T The improved disc theorems for the Schur complements of diagonally dominant matrices
%A Juan Zhang
%A Jianzhou Liu
%A and Gen Tu
%J Journal of Inequalities and Applications
%D 2013
%I 
%R 10.1186/1029-242X-2013-2
%X MSC: 15A45, 15A48.
%K Schur complement
%K diagonally dominant matrices
%K eigenvalue
%K Gerschgorin theorem
%U http://www.journalofinequalitiesandapplications.com/content/2013/1/2/abstract