For saddle point problems, a two-parameter shift-splitting (TPSS) preconditioner is
proposed. Estimated lower and upper bounds of the real eigenvalues and the real and …

We study a preconditioned generalized shift-splitting iteration method for solving saddle
point problems. The unconditional convergence theory of the preconditioned generalized …

In this paper, a class of new extended shift-splitting (NESS) preconditioners containing t> 0
are proposed for saddle point problems, which contain the existing shift-splitting-based …

A modification of the generalized shift-splitting (GSS) method is presented for solving
singular saddle point problems. In this kind of modification, the diagonal shift matrix is …

The shift-splitting preconditioner is investigated and improved within relaxation and
preconditioning techniques to solve a special double saddle point problem in block three-by …

For nonsingular and singular nonsymmetric saddle-point problems, Dou, Yin, and Liao
proposed a fast shift-splitting preconditioner by combining shift-splitting technique and …

Inspired by the idea of the parameterized shift-splitting (PSS), this paper presents a modified
PSS (MPSS) preconditioner for the generalized nonsymmetric saddle point-type linear …

To solve nonsymmetric saddle point problems, the parameterized generalized shift-splitting
(PGSS) preconditioner is presented and analyzed. The corresponding PGSS iteration …

A local positive (semi) definite shift-splitting preconditioner for non-Hermitian saddle point
problems arising in finite element discretisations of hybrid formulations of time-harmonic …

In this paper, we present a parameterized matrix splitting (PMS) preconditioner for the large
sparse saddle point problems. The preconditioner is based on a parameterized splitting of …