activity
20082026
most citedAlgorithms for the Split Variational Inequality Problem

616 citations · 1.5k across the 61 of their papers we have counts for

collaborators

69 papers

math.OC2026

Parallel Optimization: Theory, Algorithms, and Applications,

Yair Censor, Stavros A. Zenios

This 30 years old book is posted for free download by the generosity of Oxford University Press that granted permission to allow access to future generations of young scientists. A…

math.OC2026

The best approximation tuple: an extension of the Cheney-Goldstein algorithm and results to the multiple sets case

Yair Censor, Daniel Reem

We extend the algorithm and several results published in the celebrated 1959 paper of Cheney and Goldstein about the best approximation pair (BAP) problem in two separate direction…

math.OC2026

A new theorem of alternatives leading to sufficient conditions for the superiorization guarantee question of Dynamic String-Averaging in the inconsistent case

Kay Barshad, Yair Censor

We study the Superiorization Methodology (SM) in the context of the General Dynamic String-Averaging (GDSA) method in the inconsistent case (that is, where the input operators don'…

math.OC2026

On the boundedness of infinite products of relaxed projections: perturbations resilience and dynamic string-averaging

Daniel Reem, Yair Censor

Very recently (2026), Bauschke and Tung extended from finite- to infinite-dimensional Hilbert spaces a result published by Meshulam in 1996 (following an earlier result of Aharoni-…

physics.comp-ph2026

GPU-accelerated superiorization on constrained physical problems with SupPy

Tobias Becher, Yair Censor, Kay Barshad +1

The superiorization method (SM) is situated between feasibility-seeking and constrained optimization. Instead of aiming at the minimum of a given objective function over a constrai…

math.OC2026

Strong convergence, perturbation resilience and superiorization of Generalized Modular String-Averaging with infinitely many input operators

Kay Barshad, Yair Censor

We study the strong convergence and bounded perturbation resilience of iterative algorithms based on the Generalized Modular String-Averaging (GMSA) procedure for infinite sequence…

math.OC2026

Multi-Criteria Inverse Robustness in Radiotherapy Planning Using Semidefinite Programming

Jan Schröeder, Yair Censor, Philipp Süss +1

Radiotherapy planning naturally leads to a multi-criteria optimization problem which is subject to different sources of uncertainty. In order to find the desired treatment plan, a…

physics.med-ph2025

GPU-accelerated FREDopt package for simultaneous dose and LETd proton radiotherapy plan optimization via superiorization methods

Damian Borys, Jan Gajewski, Tobias Becher +9

This study presents FREDopt, a newly developed GPU-accelerated open-source optimization software for simultaneous proton dose and dose-averaged LET (LETd) optimization in IMPT trea…

math.OC2025

General Perturbation Resilient Dynamic String-Averaging for Inconsistent Problems with Superiorization

Kay Barshad, Yair Censor

In this paper we introduce a General Dynamic String-Averaging (GDSA) iterative scheme and investigate its convergence properties in the inconsistent case, that is, when the input o…

math.OC2025

An iterative process for the feasibility-seeking problem with sets that are unions of convex sets

Yair Censor, Alexander J. Zaslavski

In this paper we deal with the feasibility-seeking problem for unions of convex sets (UCS) sets and propose an iterative process for its solution. Renewed interest in this problem…

math.OC2025

A necessary condition for the guarantee of the superiorization method

Kay Barshad, Yair Censor, Walaa Moursi +2

We study a method that involves principally convex feasibility-seeking and makes secondary efforts of objective function value reduction. This is the well-known superiorization met…

math.OC2024

New results related to cutters and to an extrapolated block-iterative method for finding a common fixed point of a collection of them

Yair Censor, Daniel Reem, Maroun Zaknoon

Given a Hilbert space and a finite family of operators defined on the space, the common fixed point problem (CFPP) is to find a point in the intersection of the fixed point sets of…

physics.med-ph2024

Ionization detail parameters and cluster dose: A mathematical model for selection of nanodosimetric quantities for use in treatment planning in charged particle radiotherapy

Bruce Faddegon, Eleanor A. Blakely, Lucas Burigo +9

Objective: To propose a mathematical model for applying Ionization Detail (ID), the detailed spatial distribution of ionization along a particle track, to proton and ion beam radio…

math.OC2024

Immunity to Increasing Condition Numbers of Linear Superiorization versus Linear Programming

Jan Schröder, Yair Censor, Philipp Süss +1

Given a family of linear constraints and a linear objective function one can consider whether to apply a Linear Programming (LP) algorithm or use a Linear Superiorization (LinSup)…

math.OC2024

Floorplanning with I/O assignment via feasibility-seeking and superiorization methods

Shan Yu, Yair Censor, Guojie Luo

The feasibility-seeking approach offers a systematic framework for managing and resolving intricate constraints in continuous problems, making it a promising avenue to explore in t…

math.OC2024

Approaches to iterative algorithms for solving nonlinear equations with an application in tomographic absorption spectroscopy

F. J. Aragón-Artacho, W. Cai, Y. Censor +3

In this paper we propose an approach for solving systems of nonlinear equations without computing function derivatives. Motivated by the application area of tomographic absorption…

math.OC2024★ 2 cited

The best approximation pair problem relative to two subsets in a normed space

Daniel Reem, Yair Censor

In the classical best approximation pair (BAP) problem, one is given two nonempty, closed, convex and disjoint subsets in a finite- or an infinite-dimensional Hilbert space, and th…

math.OC2023

Per-RMAP: Feasibility-Seeking and Superiorization Methods for Floorplanning with I/O Assignment

Shan Yu, Yair Censor, Ming Jiang +1

The feasibility-seeking approach provides a systematic scheme to manage and solve complex constraints for continuous problems, and we explore it for the floorplanning problems with…

math.OC2023

The alternating simultaneous Halpern-Lions-Wittmann-Bauschke algorithm for finding the best approximation pair for two disjoint intersections of convex sets

Yair Censor, Rafiq Mansour, Daniel Reem

Given two nonempty and disjoint intersections of closed and convex subsets, we look for a best approximation pair relative to them, i.e., a pair of points, one in each intersection…

math.OC2022

Superiorization: The asymmetric roles of feasibility-seeking and objective function reduction

Yair Censor

The superiorization methodology can be thought of as lying conceptually between feasibility-seeking and constrained minimization. It is not trying to solve the full-fledged constra…

math.OC2022

Regularized Nonsmooth Newton Algorithms for Best Approximation

Yair Censor, Walaa M. Moursi, Tyler Weames +1

We consider the problem of finding the best approximation point from a polyhedral set, and its applications, in particular to solving large-scale linear programs. The classical pro…

physics.med-ph2022★ 1 cited

Superiorization as a novel strategy for linearly constrained inverse radiotherapy treatment planning

Florian Barkmann, Yair Censor, Niklas Wahl

We apply the superiorization methodology to the intensity-modulated radiation therapy (IMRT) treatment planning problem. In superiorization, linear voxel dose inequality constraint…

math.OC2022★ 2 cited

The superiorization method with restarted perturbations for split minimization problems with an application to radiotherapy treatment planning

Francisco J. Aragón-Artacho, Yair Censor, Aviv Gibali +1

In this paper we study the split minimization problem that consists of two constrained minimization problems in two separate spaces that are connected via a linear operator that ma…

math.OC2022

A Generalized Block-Iterative Projection Method for the Common Fixed Point Problem Induced by Cutters

Yair Censor, Daniel Reem, Maroun Zaknoon

The block-iterative projections (BIP) method of Aharoni and Censor [Block-iterative projection methods for parallel computation of solutions to convex feasibility problems, Linear…