Regularization by denoising via fixed-point projection (RED-PRO)

R Cohen, M Elad, P Milanfar - SIAM Journal on Imaging Sciences, 2021 - SIAM
Inverse problems in image processing are typically cast as optimization tasks, consisting of
data fidelity and stabilizing regularization terms. A recent regularization strategy of great …

Strong convergence of a self-adaptive inertial Tseng's extragradient method for pseudomonotone variational inequalities and fixed point problems

VA Uzor, TO Alakoya, OT Mewomo - Open Mathematics, 2022 - degruyter.com
In this paper, we study the problem of finding a common solution of the pseudomonotone
variational inequality problem and fixed point problem for demicontractive mappings. We …

Single-Valued Demicontractive Mappings: Half a Century of Developments and Future Prospects

V Berinde - Symmetry, 2023 - mdpi.com
Demicontractive operators form an important class of nonexpansive type mappings whose
study led researchers to the creation of some beautiful results in the framework of metric …

REMARKS ON THE TERMINOLOGY OF THE MAPPINGS IN FIXED POINT ITERATIVE METHODS IN METRIC SPACES.

V BERINDE, A PETRUŞEL, IA RUS - Fixed Point Theory, 2023 - search.ebscohost.com
In this paper we present some suggestions for unifying the terminology of the mappings
appearing in fixed point iterative methods for the case when the setting is a metric space. We …

Modified subgradient extragradient algorithms for variational inequality problems and fixed point problems

DV Thong, DV Hieu - Optimization, 2018 - Taylor & Francis
The subgradient extragradient method can be considered as an improvement of the
extragradient method for variational inequality problems for the class of monotone and …

Further investigation into split common fixed point problem for demicontractive operators

Y Shehu, OT Mewomo - Acta mathematica sinica, english series, 2016 - Springer
Our contribution in this paper is to propose an iterative algorithm which does not require
prior knowledge of operator norm and prove strong convergence theorem for approximating …

Some extragradient-viscosity algorithms for solving variational inequality problems and fixed point problems

DV Thong, D Van Hieu - Numerical Algorithms, 2019 - Springer
The purpose of this paper is to study and analyze two different kinds of extragradient-
viscosity-type iterative methods for finding a common element of the set of solutions of the …

Fast relaxed inertial Tseng's method-based algorithm for solving variational inequality and fixed point problems in Hilbert spaces

DV Thong, LL Liu, QL Dong, L Van Long… - Journal of Computational …, 2023 - Elsevier
Motivated and inspired by the works of Ceng et al.(2010) and Yao and Postolache (2012),
we first study a relaxed inertial Tseng's method for finding a common element of the set of …

Another look at the split common fixed point problem for demicontractive operators

Y Shehu, P Cholamjiak - Revista de la Real Academia de Ciencias …, 2016 - Springer
In this article, we take a look at the recent results of Moudafi (Inverse Probl 26: 587–600,
2010), Tang et al.(Math Model Anal 17: 457–466, 2012) and Wang and Cui (Math Model …

Fixed points theorems for unsaturated and saturated classes of contractive mappings in Banach spaces

V Berinde, M Păcurar - Symmetry, 2021 - mdpi.com
Based on the technique of enriching contractive type mappings, a technique that has been
used successfully in some recent papers, we introduce the concept of a saturated class of …