2 papers
math.FA2008
On low rank perturbation of matrices
Lev Glebsky, Luis Manuel Rivera
The article is devoted to different aspects of the question "What can be done with a matrix by low rank perturbation?" It is proved that one can change a geometrically simple spect…
math.GR2007
Almost solutions of equations in permutations
Lev Glebsky, Luis Manuel Rivera
We will say that the permutations f_1,...,f_n is an e-solution of an equation if the normalized Hamming distance between its l.h.p. and r.h.p. is less than e. We give a sufficient…