%0 Journal Article
%T The Inverse of a Nearly Banded Matrix
%A Ruitian Lang
%J Mathematics
%D 2008
%I arXiv
%X A quantitative form of the Nullity Theorem is presented, which establishes a linear relation between the singular values of the two submatrices involved in the theorem up to the first order. The theorem is then extended to function spaces and a corresponding form in infinite dimension is discussed.
%U http://arxiv.org/abs/0812.0172v1