Modified incomplete factorization strategies.- On some parallel preconditioned CG schemes.- Preconditioning indefinite systems arising from mixed finite element discretization of second-order elliptic problems.- A class of preconditioned conjugate gradient methods applied to finite element equations.- Recent vectorization and parallelization of ITPACKV.- On the sparsity patterns of hierarchical finite element matrices.- Solving positive (semi)definite linear systems by preconditioned iterative methods.- The convergence behaviour of preconditioned CG and CG-S in the presence of rounding errors.- Data reduction (dare) preconditioning for generalized conjugate gradient methods.- Analysis of a recursive 5-point/9-point factorization method.- Iteration method as discretization procedures.