Title	Eigenvalues of Structural Matrices Via Gerschgorin Theorem
Author	T. D. Roopamala, S. K. Katti
Citation	Vol. 10  No. 1  pp. 66-68
Keywords	Eigenvalues, Gerschgorin theorem, structural matrices, trace of the matrix

Title	Comments on “Computation of the Range of Intervals between in which the roots lie by Given’s technique”
Author	T.D.Roopamala, S.k.Katti
Citation	Vol. 10  No. 3  pp. 206-207
Keywords	Strum sequences, eigenvalues, Range of intervals Gerschgorin’s circles

Title	Convergence Analysis of Multigrid Method for Shifted Laplace at Various Levels Using Fourier Modes
Author	Wajid Ahmed Siyal, Abdul Hanan Sheikh, Majid Mallah, Sajjad Hussain Sandilo, Abdul Ghafoor Shaikh
Citation	Vol. 19  No. 9  pp. 57-64
Keywords	Finite differences, Multigrid method, indefinite matrix, eigenvalues, Shifted Laplace equation