You are currently viewing a new version of our website. To view the old version click .

166 Results Found

  • Article
  • Open Access
2,029 Views
16 Pages

2 January 2020

In this paper, first, we introduce a path for a convex combination of a pseudocontractive type of mappings with a perturbed mapping and prove strong convergence of the proposed path in a real reflexive Banach space having a weakly continuous duality...

  • Article
  • Open Access
1 Citations
1,161 Views
20 Pages

11 September 2023

It is very meaningful and challenging to efficiently seek common solutions to operator systems (CSOSs), which are widespread in pure and applied mathematics, as well as some closely related optimization problems. The purpose of this paper is to intro...

  • Article
  • Open Access
3 Citations
2,628 Views
16 Pages

Mann-like iteration methods are significant to deal with convex feasibility problems in Banach spaces. We focus on a relaxed Mann implicit iteration method to solve a general system of accretive variational inequalities with an asymptotically nonexpa...

  • Article
  • Open Access
2 Citations
2,615 Views
20 Pages

26 February 2019

This paper discusses a monotone variational inequality problem with a variational inequality constraint over the common solution set of a general system of variational inequalities (GSVI) and a common fixed point (CFP) of a countable family of nonexp...

  • Feature Paper
  • Article
  • Open Access
1 Citations
652 Views
14 Pages

20 December 2024

This paper focuses on one-parameter semigroups of ρ-nonexpansive mappings Tt:C→C, where C is a subset of a modular space Xρ, the parameter t ranges over [0,+∞), and ρ is a convex modular with the Fatou property. The common fixe...

  • Article
  • Open Access
6 Citations
2,596 Views
24 Pages

2 February 2019

In the present work, we introduce a hybrid Mann viscosity-like implicit iteration to find solutions of a monotone classical variational inequality with a variational inequality constraint over the common solution set of a general system of variationa...

  • Article
  • Open Access
1 Citations
1,531 Views
18 Pages

17 May 2023

In this paper, based on the viscosity approximation method and the hybrid steepest-descent iterative method, a new implicit iterative algorithm is presented for finding the common fixed points set of a finite family of nonexpansive mappings in a refl...

  • Article
  • Open Access
1,709 Views
28 Pages

30 November 2023

How to improve the computational efficiency of flow field simulations around irregular objects in near-continuum and continuum flow regimes has always been a challenge in the aerospace re-entry process. The discrete velocity method (DVM) is a commonl...

  • Article
  • Open Access
3 Citations
3,075 Views
12 Pages

24 January 2019

The main aim of this work is to introduce an implicit general iterative method for approximating a solution of a split variational inclusion problem with a hierarchical optimization problem constraint for a countable family of mappings, which are non...

  • Feature Paper
  • Article
  • Open Access
1,832 Views
13 Pages

25 April 2023

Implicit Motives are non-conscious needs that drive human behavior towards the achievement of incentives that are affectively incited. Repeated affective experiences providing satisfying rewards have been held responsible for the building of Implicit...

  • Article
  • Open Access
1,122 Views
24 Pages

20 January 2025

This research presents a new form of iterative technique for Garcia-Falset mapping that outperforms previous iterative methods for contraction mappings. We illustrate this fact through comparison and present the findings graphically. The research als...

  • Article
  • Open Access
2,430 Views
13 Pages

The multiple criteria and multiple constraint level (MC 2 ) model is a useful tool to deal with the decision programming problems, which concern multiple decision makers and uncertain resource constraint levels. In this paper, by regarding the...

  • Article
  • Open Access
1 Citations
879 Views
19 Pages

14 November 2024

This paper proposes new iterative algorithms by using the generalized viscosity implicit midpoint rule in Banach space, which is also a symmetric space. Then, this paper obtains strong convergence conclusions. Moreover, the results generalize the rel...

  • Article
  • Open Access
4 Citations
2,893 Views
19 Pages

16 February 2019

In this paper, we introduce a multiple hybrid implicit iteration method for finding a solution for a monotone variational inequality with a variational inequality constraint over the common solution set of a general system of variational inequalities...

  • Article
  • Open Access
8 Citations
2,958 Views
20 Pages

9 April 2019

In this work, we concern ourselves with the problem of solving a general system of variational inequalities whose solutions also solve a common fixed-point problem of a family of countably many nonlinear operators via a hybrid viscosity implicit iter...

  • Article
  • Open Access
2 Citations
1,136 Views
14 Pages

4 February 2025

Constructing a freeform surface that accurately satisfies both integrable condition and Snell’s law under a given invariant source–target map is challenging for freeform design. Here, we propose a fixed-point iteration method to address t...

  • Article
  • Open Access
236 Views
37 Pages

24 November 2025

This paper introduces a hybrid two-stage implicit scheme for efficiently solving fractional differential equations, with particular emphasis on fractional initial value problems formulated using the Caputo derivative. Classical numerical approaches t...

  • Article
  • Open Access
1 Citations
2,125 Views
19 Pages

An Unconditionally Stable Integration Method for Structural Nonlinear Dynamic Problems

  • Chuanguo Jia,
  • Hongchen Su,
  • Weinan Guo,
  • Yutao Li,
  • Biying Wu and
  • Yingqi Gou

4 July 2023

This paper presents an unconditionally stable integration method, which introduces a linearly implicit algorithm featuring an explicit displacement expression. The technique that is being considered integrates one Newton iteration into the mean accel...

  • Article
  • Open Access
8 Citations
4,708 Views
22 Pages

17 May 2019

Georeferencing is an indispensable necessity regarding operating with kinematic multi-sensor systems (MSS) in various indoor and outdoor areas. Information from object space combined with various types of prior information (e.g., geometrical constrai...

  • Article
  • Open Access
6 Citations
2,212 Views
16 Pages

9 July 2023

Implicit sentiment identification is a significant classical task in text analysis. Graph neural networks (GNNs) have recently been successful in implicit sentiment identification, but the current approaches still suffer from two problems. On the one...

  • Article
  • Open Access
510 Views
33 Pages

30 June 2025

Periodic train timetables provide passengers with easily accessible rail transport services. However, in networked railway operations, some long-distance cross-line trains have high operational priority and pose difficulties for scheduling local serv...

  • Article
  • Open Access
1 Citations
1,353 Views
14 Pages

3 April 2024

In order to solve continuous stochastic Lyapunov equations, a novel implicit iterative algorithm is presented by means of successive over relaxation (SOR) iteration in this article. Throughout this method, three tuning parameters are added for the im...

  • Article
  • Open Access
13 Citations
1,857 Views
21 Pages

Convergence Analysis of a New Implicit Iterative Scheme and Its Application to Delay Caputo Fractional Differential Equations

  • Austine Efut Ofem,
  • Mfon Okon Udo,
  • Oboyi Joseph,
  • Reny George and
  • Chukwuka Fernando Chikwe

This article presents a new three-step implicit iterative method. The proposed method is used to approximate the fixed points of a certain class of pseudocontractive-type operators. Additionally, the strong convergence results of the new iterative pr...

  • Article
  • Open Access
7 Citations
2,780 Views
13 Pages

26 April 2019

In this paper, we propose a generalized viscosity implicit iterative method for asymptotically non-expansive mappings in Banach spaces. The strong convergence theorem of this algorithm is proved, which solves the variational inequality problem. Moreo...

  • Article
  • Open Access
8 Citations
2,156 Views
18 Pages

10 October 2019

In this work, let X be Banach space with a uniformly convex and q-uniformly smooth structure, where 1 < q ≤ 2 . We introduce and consider a generalized Mann-like viscosity implicit rule for treating a general optimization system of varia...

  • Article
  • Open Access
14 Citations
3,618 Views
11 Pages

For the approximation of stiff systems of ODEs arising from chemistry kinetics, implicit integrators emerge as good candidates. This paper proposes a variational approach for this type of systems. In addition to introducing the technique, we present...

  • Article
  • Open Access
1 Citations
1,550 Views
20 Pages

DPDU-Net: Double Prior Deep Unrolling Network for Pansharpening

  • Yingxia Chen,
  • Yuqi Li,
  • Tingting Wang,
  • Yan Chen and
  • Faming Fang

13 June 2024

The objective of the pansharpening task is to integrate multispectral (MS) images with low spatial resolution (LR) and to integrate panchromatic (PAN) images with high spatial resolution (HR) to generate HRMS images. Recently, deep learning-based pan...

  • Article
  • Open Access
16 Citations
2,942 Views
24 Pages

22 August 2019

In this paper, based on the very recent work by Nandal et al. (Nandal, A.; Chugh, R.; Postolache, M. Iteration process for fixed point problems and zeros of maximal monotone operators. Symmetry 2019, 11, 655.), we propose a new generalized viscosity...

  • Article
  • Open Access
5 Citations
4,321 Views
15 Pages

6 June 2019

In the current paper, an iterative algorithm is developed to simulate the problem of two-phase flow with heat transfer in porous media. The convective body force caused by heat transfer is described by Boussinesq approximation throughout with the gov...

  • Article
  • Open Access
4 Citations
2,204 Views
17 Pages

8 January 2020

Let X be a Banach space with both q-uniformly smooth and uniformly convex structures. This article introduces and considers a general extragradient implicit method for solving a general system of variational inequalities (GSVI) with the constraints o...

  • Article
  • Open Access
7 Citations
2,410 Views
13 Pages

Implicit Subspace Iteration to Improve the Stability Analysis in Grinding Processes

  • Jorge Alvarez,
  • Mikel Zatarain,
  • David Barrenetxea,
  • Jose Ignacio Marquinez and
  • Borja Izquierdo

19 November 2020

An alternative method is devised for calculating dynamic stability maps in cylindrical and centerless infeed grinding processes. The method is based on the application of the Floquet theorem by repeated time integrations. Without the need of building...

  • Article
  • Open Access
1,596 Views
16 Pages

On New Generalized Viscosity Implicit Double Midpoint Rule for Hierarchical Problem

  • Thanyarat Jitpeera,
  • Anantachai Padcharoen and
  • Wiyada Kumam

14 December 2022

The implicit midpoint rules are employed as a powerful numerical technique, and in this article we attend a class of viscosity iteration approximations on hierarchical problems for the implicit double midpoint rules. We prove the strong convergence t...

  • Article
  • Open Access
8 Citations
4,829 Views
30 Pages

30 August 2018

The aim of this paper is to present the latter and develop a numerical simulator aimed at solving a 2D domain porous medium, using the compositional approach to simulate chemical flooding processes. The simulator consists in a two-phase, multicompone...

  • Article
  • Open Access
9 Citations
3,140 Views
16 Pages

Aiming at the characteristics of high computational cost, implicit expression and high nonlinearity of performance functions corresponding to large and complex structures, this paper proposes a support-vector-machine- (SVM) based grasshopper optimiza...

  • Article
  • Open Access
237 Views
18 Pages

1 November 2025

In this paper we consider a reaction–diffusion model with nonlocal diffusion and a nonlinear reaction term analogous to a local reaction–diffusion problem with Robin boundary conditions. Firstly, we investigate the existence of solutions...

  • Proceeding Paper
  • Open Access
1 Citations
373 Views
15 Pages

Two-stage least squares (2SLS) regression undergirds much of contemporary geospatial econometrics. Walk-forward validation in time-series forecasting constitutes a special instance of iterative local regression. Two-stage least squares and iterative...

  • Article
  • Open Access
3 Citations
2,842 Views
25 Pages

3 August 2021

With the development of mature Computational Fluid Dynamics (CFD) tools for fluids (air and liquid) and Finite Element Methods (FEM) for solids and structures, many approaches have been proposed to tackle the so-called Fluid–Structure Interaction or...

  • Article
  • Open Access
1 Citations
675 Views
15 Pages

20 February 2025

In this article, we introduce and study a generalized Cayley variational inclusion problem incorporating XOR and XNOR operations. We establish an equivalent fixed-point formulation and demonstrate the Lipschitz continuity of the generalized Cayley ap...

  • Article
  • Open Access
1 Citations
1,946 Views
20 Pages

12 April 2024

In this paper, we consider the numerical solution of large-scale discrete-time projected Lyapunov equations. We provide some reasonable extensions of the most frequently used low-rank iterative methods for linear matrix equations, such as the low-ran...

  • Article
  • Open Access
1,046 Views
13 Pages

3 July 2023

The full discrete approximation of solutions of nonhomogeneous fractional equations is considered in this paper. The methods of iteration, finite differences and projection are applied to obtain desired formulas of explicit- and implicit-difference s...

  • Article
  • Open Access
3 Citations
8,553 Views
13 Pages

27 June 2019

Even a relatively simple equation such as Colebrook’s offers a lot of possibilities to students to increase their computational skills. The Colebrook’s equation is implicit in the flow friction factor and, therefore, it needs to be solved...

  • Article
  • Open Access
5 Citations
4,175 Views
24 Pages

20 March 2023

Previous literature on deep learning theory has focused on implicit bias with small learning rates. In this work, we explore the impact of data separability on the implicit bias of deep learning algorithms under the large learning rate. Using deep li...

  • Article
  • Open Access
7 Citations
4,866 Views
16 Pages

21 January 2017

The Crank–Nicolson method can be used to solve the Black–Scholes partial differential equation in one-dimension when both accuracy and stability is of concern. In multi-dimensions, however, discretizing the computational grid with a Crank–Nicolson sc...

  • Article
  • Open Access
6 Citations
4,385 Views
22 Pages

17 March 2023

The accuracy, stability and computational efficiency of numerical methods on central processing units (CPUs) for the depth-averaged shallow water equations were well covered in the literature. A large number of these methods were already developed an...

  • Concept Paper
  • Open Access
23 Citations
5,238 Views
17 Pages

16 August 2018

The Colebrook equation is implicitly given in respect to the unknown flow friction factor λ; λ = ζ ( R e , ε * , λ ) which cannot be expressed explicitly in exact way without simplifications and use of approximate calculus. A common app...

  • Article
  • Open Access
1 Citations
1,704 Views
23 Pages

22 July 2022

This paper is devoted to introducing a new viscosity approximation method using the implicit midpoint rules for finding a common element in the set of solutions of a generalized mixed equilibrium problem, the set of solutions of a general system of v...

  • Article
  • Open Access
38 Citations
8,236 Views
27 Pages

6 April 2017

This paper presents evolutionary optimization of explicit approximations of the empirical Colebrook’s equation that is used for the calculation of the turbulent friction factor (λ), i.e., for the calculation of turbulent hydraulic resistance in hydra...

  • Article
  • Open Access
1 Citations
2,039 Views
28 Pages

ED2IF2-Net: Learning Disentangled Deformed Implicit Fields and Enhanced Displacement Fields from Single Images Using Pyramid Vision Transformer

  • Xiaoqiang Zhu,
  • Xinsheng Yao,
  • Junjie Zhang,
  • Mengyao Zhu,
  • Lihua You,
  • Xiaosong Yang,
  • Jianjun Zhang,
  • He Zhao and
  • Dan Zeng

27 June 2023

There has emerged substantial research in addressing single-view 3D reconstruction and the majority of the state-of-the-art implicit methods employ CNNs as the backbone network. On the other hand, transformers have shown remarkable performance in man...

  • Article
  • Open Access
4 Citations
1,773 Views
18 Pages

28 April 2023

The aim of this contribution is to propose a numerical scheme for solving linear and nonlinear boundary value problems. The scheme is implicit and it is constructed on three grid points. The stability of the proposed implicit scheme is provided. In a...

of 4