Andy A. Nikishin

A robust AINV-type method for constructing sparse approximate inverse preconditioners in factored form

S. A. Kharchenko, Lily Yu. Kolotilina, Andy A. Nikishin, 2001, Numer. Linear Algebra Appl..

Prefiltration technique via aggregation for constructing low‐density high‐quality factorized sparse approximate inverse preconditionings

Andy A. Nikishin, Alex Yu. Yeremin, A. A. Nikishin, 2003, Numer. Linear Algebra Appl..

Factorized Sparse Approximate Inverse Preconditionings: A Simple Approach to Raising the Serial Efficiency of Parallel Iterative Method

Lily Yu. Kolotilina, Andy A. Nikishin, Alex Yu. Yeremin, 1999, PPSC.

Factorized sparse approximate inverse preconditionings. IV: Simple approaches to rising efficiency

Lily Yu. Kolotilina, Andy A. Nikishin, Alex Yu. Yeremin, 1999, Numer. Linear Algebra Appl..

Variable Block CG Algorithms for Solving Large Sparse Symmetric Positive Definite Linear Systems on Parallel Computers, I: General Iterative Scheme

Andy A. Nikishin, Alex Yu. Yeremin, A. A. Nikishin, 1995, SIAM J. Matrix Anal. Appl..

An incomplete LU-factorization algorithm based on block bordering

Lily Yu. Kolotilina, Andy A. Nikishin, Alex Yu. Yeremin, 2000, Numer. Linear Algebra Appl..