1. KY FAN & A. J. HOFFMAN, Lower bounds for the rank and location of the eigenvalues of a matrix, Contributions to the Solution of Systems of Linear Equations and the Determination of Eigenvalues, edited by Olga Taussky, Nat. Bur. Standards. Apple. Math. Ser., v. 39, 1954, p. 117-130. 2. DAVID G. FEINGOLD & RICHARD S. VARGA, Block diagonally dominant matrices and generalizations of the Gerschgorin Circle Theorem, Case Institute of Technology, Cleveland 6, Ohio, Report No. 1062, 1962. 3. A. S. HOUSEHOLDER, The approximate solution of matrix problems, J. Assoc. Comput. Mach., V. 5, 1958, p. 205-243.
Read full abstract