Subjects -> ENGINEERING (Total: 2656 journals)
    - CHEMICAL ENGINEERING (235 journals)
    - CIVIL ENGINEERING (237 journals)
    - ELECTRICAL ENGINEERING (176 journals)
    - ENGINEERING (1316 journals)
    - HYDRAULIC ENGINEERING (56 journals)
    - INDUSTRIAL ENGINEERING (98 journals)
    - MECHANICAL ENGINEERING (112 journals)

ENGINEERING (1316 journals)                  1 2 3 4 5 6 7 | Last

Showing 1 - 200 of 1205 Journals sorted by number of followers
Composite Structures     Hybrid Journal   (Followers: 281)
IEEE Spectrum     Full-text available via subscription   (Followers: 247)
Composites Part B : Engineering     Hybrid Journal   (Followers: 246)
ACS Nano     Hybrid Journal   (Followers: 213)
Composites Part A : Applied Science and Manufacturing     Hybrid Journal   (Followers: 197)
IEEE Geoscience and Remote Sensing Letters     Hybrid Journal   (Followers: 175)
IEEE Instrumentation & Measurement Magazine     Hybrid Journal   (Followers: 172)
Composites Science and Technology     Hybrid Journal   (Followers: 165)
IEEE Communications Magazine     Full-text available via subscription   (Followers: 162)
IEEE Engineering Management Review     Full-text available via subscription   (Followers: 137)
IEEE Antennas and Propagation Magazine     Hybrid Journal   (Followers: 128)
IEEE Transactions on Instrumentation and Measurement     Hybrid Journal   (Followers: 123)
IEEE Transactions on Control Systems Technology     Hybrid Journal   (Followers: 111)
IEEE Transactions on Signal Processing     Hybrid Journal   (Followers: 96)
IEEE Antennas and Wireless Propagation Letters     Hybrid Journal   (Followers: 90)
IEEE Industry Applications Magazine     Full-text available via subscription   (Followers: 82)
IEEE Transactions on Antennas and Propagation     Full-text available via subscription   (Followers: 81)
IEEE Transactions on Engineering Management     Hybrid Journal   (Followers: 75)
Engineering Failure Analysis     Hybrid Journal   (Followers: 69)
IEEE Signal Processing Letters     Hybrid Journal   (Followers: 63)
IEEE Microwave Magazine     Full-text available via subscription   (Followers: 60)
IEEE Transactions on Reliability     Hybrid Journal   (Followers: 57)
Experimental Techniques     Hybrid Journal   (Followers: 50)
IET Radar, Sonar & Navigation     Open Access   (Followers: 50)
IEEE Transactions on Microwave Theory and Techniques     Hybrid Journal   (Followers: 49)
Control Engineering Practice     Hybrid Journal   (Followers: 49)
IEEE Journal of Selected Topics in Signal Processing     Hybrid Journal   (Followers: 47)
IEEE Journal on Selected Areas in Communications     Hybrid Journal   (Followers: 43)
IEEE Potentials     Full-text available via subscription   (Followers: 42)
Biotechnology Progress     Hybrid Journal   (Followers: 38)
Heat Transfer Engineering     Hybrid Journal   (Followers: 38)
International Journal for Numerical Methods in Engineering     Hybrid Journal   (Followers: 37)
IEEE Microwave and Wireless Components Letters     Hybrid Journal   (Followers: 36)
IET Microwaves, Antennas & Propagation     Open Access   (Followers: 34)
AIChE Journal     Hybrid Journal   (Followers: 33)
Computing in Science & Engineering     Full-text available via subscription   (Followers: 32)
IEEE Transactions on Knowledge and Data Engineering     Hybrid Journal   (Followers: 31)
Flow, Turbulence and Combustion     Hybrid Journal   (Followers: 31)
Digital Signal Processing     Hybrid Journal   (Followers: 31)
Advances in Engineering Software     Hybrid Journal   (Followers: 30)
Computers & Geosciences     Hybrid Journal   (Followers: 30)
Coastal Management     Hybrid Journal   (Followers: 30)
Applied Energy     Partially Free   (Followers: 30)
IEEE Transactions on Information Theory     Hybrid Journal   (Followers: 29)
GPS Solutions     Hybrid Journal   (Followers: 29)
Canadian Geotechnical Journal     Hybrid Journal   (Followers: 29)
IEEE Transactions on Power Delivery     Hybrid Journal   (Followers: 28)
Géotechnique     Hybrid Journal   (Followers: 28)
Fluid Dynamics     Hybrid Journal   (Followers: 28)
IEEE Journal of Solid-State Circuits     Full-text available via subscription   (Followers: 27)
Bell Labs Technical Journal     Hybrid Journal   (Followers: 27)
Corrosion Science     Hybrid Journal   (Followers: 25)
Implementation Science     Open Access   (Followers: 25)
Engineering & Technology     Hybrid Journal   (Followers: 23)
IET Image Processing     Open Access   (Followers: 23)
Combustion, Explosion, and Shock Waves     Hybrid Journal   (Followers: 23)
IEEE Transactions on Circuits and Systems II: Express Briefs     Hybrid Journal   (Followers: 23)
International Journal for Numerical Methods in Fluids     Hybrid Journal   (Followers: 22)
IET Signal Processing     Open Access   (Followers: 21)
Intermetallics     Hybrid Journal   (Followers: 21)
IEEE Transactions on Electronics Packaging Manufacturing     Hybrid Journal   (Followers: 20)
International Communications in Heat and Mass Transfer     Hybrid Journal   (Followers: 20)
IEEE Transactions on Intelligent Transportation Systems     Hybrid Journal   (Followers: 19)
Fluid Dynamics Research     Full-text available via subscription   (Followers: 19)
IET Circuits, Devices & Systems     Open Access   (Followers: 18)
International Journal of Adhesion and Adhesives     Hybrid Journal   (Followers: 18)
IEEE/ACM Transactions on Computational Biology and Bioinformatics     Hybrid Journal   (Followers: 18)
Advanced Synthesis & Catalysis     Hybrid Journal   (Followers: 18)
Integration     Hybrid Journal   (Followers: 18)
Bulletin of Engineering Geology and the Environment     Hybrid Journal   (Followers: 17)
Computational Geosciences     Hybrid Journal   (Followers: 17)
Experiments in Fluids     Hybrid Journal   (Followers: 17)
Engineering Geology     Hybrid Journal   (Followers: 16)
IEEE Transactions on Energy Conversion     Hybrid Journal   (Followers: 16)
IEEE Transactions on Evolutionary Computation     Hybrid Journal   (Followers: 16)
Electrophoresis     Hybrid Journal   (Followers: 15)
CIRP Annals - Manufacturing Technology     Hybrid Journal   (Followers: 15)
Coastal Engineering     Hybrid Journal   (Followers: 15)
Energy Conversion and Management     Hybrid Journal   (Followers: 15)
Human Factors in Ergonomics & Manufacturing     Hybrid Journal   (Followers: 14)
IEEE Journal of Biomedical and Health Informatics     Hybrid Journal   (Followers: 14)
IEEE Transactions on Magnetics     Hybrid Journal   (Followers: 14)
European Journal of Mass Spectrometry     Hybrid Journal   (Followers: 14)
Computers and Geotechnics     Hybrid Journal   (Followers: 13)
IEEE Transactions on Automation Science and Engineering     Full-text available via subscription   (Followers: 13)
Heat Transfer - Asian Research     Hybrid Journal   (Followers: 12)
IEEE Transactions on Plasma Science     Hybrid Journal   (Followers: 12)
IEEE Transactions on Professional Communication     Hybrid Journal   (Followers: 12)
Computers & Mathematics with Applications     Full-text available via subscription   (Followers: 12)
IEEE Transactions on Education     Hybrid Journal   (Followers: 11)
IET Renewable Power Generation     Open Access   (Followers: 11)
Engineering Optimization     Hybrid Journal   (Followers: 11)
Computational Optimization and Applications     Hybrid Journal   (Followers: 11)
Biomedical Engineering     Hybrid Journal   (Followers: 11)
IEEE Journal of Oceanic Engineering     Hybrid Journal   (Followers: 10)
IEEE Journal of Selected Topics in Quantum Electronics     Hybrid Journal   (Followers: 10)
Proceedings of the Institution of Civil Engineers - Geotechnical Engineering     Hybrid Journal   (Followers: 10)
IEEE Transactions on Nuclear Science     Hybrid Journal   (Followers: 10)
Fuel Cells Bulletin     Full-text available via subscription   (Followers: 10)
European Journal of Engineering Education     Hybrid Journal   (Followers: 10)
IEEE Transactions on Advanced Packaging     Full-text available via subscription   (Followers: 9)
International Journal of Applied Ceramic Technology     Hybrid Journal   (Followers: 9)
Annals of Science     Hybrid Journal   (Followers: 9)
Applied Catalysis B: Environmental     Hybrid Journal   (Followers: 9)
Clay Minerals     Hybrid Journal   (Followers: 9)
Adaptive Behavior     Hybrid Journal   (Followers: 9)
Fuel Cells     Hybrid Journal   (Followers: 8)
International Journal of Antennas and Propagation     Open Access   (Followers: 8)
Acta Geotechnica     Hybrid Journal   (Followers: 8)
IEEE Technology and Society Magazine     Full-text available via subscription   (Followers: 8)
Computers and Electronics in Agriculture     Hybrid Journal   (Followers: 8)
Biomedical Microdevices     Hybrid Journal   (Followers: 8)
Energy Engineering     Full-text available via subscription   (Followers: 8)
Proceedings of the Institution of Civil Engineers - Bridge Engineering     Hybrid Journal   (Followers: 8)
Catalysis Communications     Hybrid Journal   (Followers: 7)
Geothermics     Hybrid Journal   (Followers: 7)
Environmental and Ecological Statistics     Hybrid Journal   (Followers: 7)
Fusion Engineering and Design     Hybrid Journal   (Followers: 7)
Applied Catalysis A: General     Hybrid Journal   (Followers: 7)
Fuel and Energy Abstracts     Full-text available via subscription   (Followers: 7)
Designs, Codes and Cryptography     Hybrid Journal   (Followers: 7)
Continuum Mechanics and Thermodynamics     Hybrid Journal   (Followers: 7)
IEEE Vehicular Technology Magazine     Full-text available via subscription   (Followers: 7)
Advances in OptoElectronics     Open Access   (Followers: 7)
Electromagnetics     Hybrid Journal   (Followers: 6)
Discrete Optimization     Full-text available via subscription   (Followers: 6)
Computer Applications in Engineering Education     Hybrid Journal   (Followers: 6)
Composite Interfaces     Hybrid Journal   (Followers: 6)
Biomicrofluidics     Open Access   (Followers: 6)
Formal Methods in System Design     Hybrid Journal   (Followers: 6)
Applied Clay Science     Hybrid Journal   (Followers: 6)
Basin Research     Hybrid Journal   (Followers: 6)
IEEE Transactions on Semiconductor Manufacturing     Hybrid Journal   (Followers: 6)
Active and Passive Electronic Components     Open Access   (Followers: 6)
Proceedings of the Institution of Civil Engineers - Engineering Sustainability     Hybrid Journal   (Followers: 5)
IEEE Transactions on Applied Superconductivity     Hybrid Journal   (Followers: 5)
International Journal of Adaptive Control and Signal Processing     Hybrid Journal   (Followers: 5)
Focus on Powder Coatings     Full-text available via subscription   (Followers: 5)
IEEE Transactions on Vehicular Technology     Hybrid Journal   (Followers: 5)
Computing and Visualization in Science     Hybrid Journal   (Followers: 5)
Annals of Pure and Applied Logic     Open Access   (Followers: 5)
Current Applied Physics     Full-text available via subscription   (Followers: 5)
IET Science, Measurement & Technology     Open Access   (Followers: 5)
Catalysis Today     Hybrid Journal   (Followers: 5)
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 5)
Engineering With Computers     Hybrid Journal   (Followers: 5)
Finite Fields and Their Applications     Full-text available via subscription   (Followers: 5)
Cellular and Molecular Neurobiology     Hybrid Journal   (Followers: 4)
Applied Numerical Mathematics     Hybrid Journal   (Followers: 4)
Catalysis Surveys from Asia     Hybrid Journal   (Followers: 4)
Filtration & Separation     Full-text available via subscription   (Followers: 4)
Concurrent Engineering     Hybrid Journal   (Followers: 4)
Proceedings of the Institution of Civil Engineers - Ground Improvement     Hybrid Journal   (Followers: 4)
Frontiers in Energy     Hybrid Journal   (Followers: 4)
Adsorption     Hybrid Journal   (Followers: 4)
Graphs and Combinatorics     Hybrid Journal   (Followers: 4)
Grass and Forage Science     Hybrid Journal   (Followers: 4)
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 3)
Annals of Combinatorics     Hybrid Journal   (Followers: 3)
European Journal of Combinatorics     Full-text available via subscription   (Followers: 3)
Fluid Phase Equilibria     Hybrid Journal   (Followers: 3)
Focus on Pigments     Full-text available via subscription   (Followers: 3)
Frontiers of Environmental Science & Engineering     Hybrid Journal   (Followers: 3)
Fuzzy Sets and Systems     Hybrid Journal   (Followers: 3)
IET Optoelectronics     Open Access   (Followers: 3)
Chaos : An Interdisciplinary Journal of Nonlinear Science     Hybrid Journal   (Followers: 3)
Communications in Numerical Methods in Engineering     Hybrid Journal   (Followers: 3)
Informatik-Spektrum     Hybrid Journal   (Followers: 3)
Engineering Computations     Hybrid Journal   (Followers: 3)
Catalysis Letters     Hybrid Journal   (Followers: 3)
ESAIM: Control Optimisation and Calculus of Variations     Open Access   (Followers: 3)
IEEE Latin America Transactions     Full-text available via subscription   (Followers: 2)
Chinese Journal of Catalysis     Full-text available via subscription   (Followers: 2)
Historical Records of Australian Science     Hybrid Journal   (Followers: 2)
Assembly Automation     Hybrid Journal   (Followers: 2)
Comptes Rendus : Mécanique     Open Access   (Followers: 2)
International Journal of Abrasive Technology     Hybrid Journal   (Followers: 2)
Focus on Surfactants     Full-text available via subscription   (Followers: 2)
Engineering Analysis with Boundary Elements     Hybrid Journal   (Followers: 2)
Aerobiologia     Hybrid Journal   (Followers: 2)
IET Generation, Transmission & Distribution     Open Access   (Followers: 2)
Antarctic Science     Hybrid Journal   (Followers: 1)
Abstract and Applied Analysis     Open Access   (Followers: 1)
Bautechnik     Hybrid Journal   (Followers: 1)
Biointerphases     Open Access   (Followers: 1)
European Journal of Lipid Science and Technology     Hybrid Journal   (Followers: 1)
Forschung     Hybrid Journal   (Followers: 1)
Foundations of Science     Hybrid Journal   (Followers: 1)
Épités - Épitészettudomány     Full-text available via subscription   (Followers: 1)
Dyes and Pigments     Hybrid Journal   (Followers: 1)
Designed Monomers and Polymers     Open Access   (Followers: 1)
Color Research & Application     Hybrid Journal   (Followers: 1)
Chaos, Solitons & Fractals     Hybrid Journal   (Followers: 1)
Focus on Catalysts     Full-text available via subscription  
ESAIM: Proceedings     Open Access  
Environmetrics     Hybrid Journal  
COMBINATORICA     Hybrid Journal  
Chinese Science Bulletin     Open Access  
Calphad     Hybrid Journal  
Boundary Value Problems     Open Access  

        1 2 3 4 5 6 7 | Last

Similar Journals
Journal Cover
Abstract and Applied Analysis
Journal Prestige (SJR): 0.343
Citation Impact (citeScore): 1
Number of Followers: 1  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1085-3375 - ISSN (Online) 1687-0409
Published by Hindawi Homepage  [339 journals]
  • A Modified RBF Collocation Method for Solving the Convection-Diffusion

    • Abstract: The main purposes of this study are to propose the modified radial basis function (RBF) collocation method using a hybrid radial basis function to solve the convection-diffusion problems numerically and to choose the optimal shape parameter of radial basis functions. The modified numerical scheme is tested on a benchmark problem with varying shape parameters. The root mean square error and maximum error are used to validate the accuracy and efficiency of the method. The proposed method can be a good alternative to the radial basis function collocation method to improve accuracy and results.
      PubDate: Fri, 20 Jan 2023 13:35:02 +000
  • On the Heat and Wave Equations with the Sturm-Liouville Operator in
           Quantum Calculus

    • Abstract: In this paper, we explore a generalised solution of the Cauchy problems for the -heat and -wave equations which are generated by Jackson’s and the -Sturm-Liouville operators with respect to and , respectively. For this, we use a new method, where a crucial tool is used to represent functions in the Fourier series expansions in a Hilbert space on quantum calculus. We show that these solutions can be represented by explicit formulas generated by the -Mittag-Leffler function. Moreover, we prove the unique existence and stability of the weak solutions.
      PubDate: Thu, 19 Jan 2023 09:50:02 +000
  • Fixed Point Results via Real-Valued Function Satisfying Integral Type
           Rational Contraction

    • Abstract: In this article, we mainly discuss the existence and uniqueness of fixed point satisfying integral type contractions in complete metric spaces via rational expression using real-valued functions. We improve and unify many widely known results from the literature. Among these, the work of Rakotch (1962), Branciari (2002), and Liu et al. (2013) is extended. Finally, we conclude with an example presented graphically in favour of our work.
      PubDate: Thu, 05 Jan 2023 12:20:02 +000
  • Coincidence Fixed-Point Theorems for -Hybrid Contraction Mappings in
           -Metric Space with Application

    • Abstract: By combining the notions of -metric space and -metric space, in this paper, we present coincidence fixed-point theorems for -hybrid mappings in -metric spaces. An example is given to demonstrate the novelty of our main results. Henceforth, the illustrative applications are given by using nonlinear fractional differential equations.
      PubDate: Thu, 08 Dec 2022 15:50:01 +000
  • A Study on the Impact of Nonlinear Source Term in Black-Scholes Option
           Pricing Model

    • Abstract: In this work, we study the effect of nonlinear source term in Black-Scholes model by finding the solution of it. We use the mathematical concepts of existence and uniqueness to arrive the conclusion. The transformation of the nonlinear equation into heat equation leads to the existence of solution through fixed-point theorems, semigroup theory, and certain regularity conditions imposed on variables.
      PubDate: Mon, 28 Nov 2022 06:20:01 +000
  • Modelling the Transmission Dynamics of Meningitis among High and Low-Risk
           People in Ghana with Cost-Effectiveness Analysis

    • Abstract: Meningitis is an inflammation of the meninges, which covers the brain and spinal cord. Every year, most individuals within sub-Saharan Africa suffer from meningococcal meningitis. Moreover, tens of thousands of these cases result in death, especially during major epidemics. The transmission dynamics of the disease keep changing, according to health practitioners. The goal of this study is to exploit robust mechanisms to manage and prevent the disease at a minimal cost due to its public health implications. A significant concern found to aid in the transmission of meningitis disease is the movement and interaction of individuals from low-risk to high-risk zones during the outbreak season. Thus, this article develops a mathematical model that ascertains the dynamics involved in meningitis transmissions by partitioning individuals into low- and high-risk susceptible groups. After computing the basic reproduction number, the model is shown to exhibit a unique local asymptotically stability at the meningitis-free equilibrium , when the effective reproduction number , and the existence of two endemic equilibria for which and exhibits the phenomenon of backward bifurcation, which shows the difficulty of relying only on the reproduction number to control the disease. The effective reproductive number estimated in real time using the exponential growth method affirmed that the number of secondary meningitis infections will continue to increase without any intervention or policies. To find the best strategy for minimizing the number of carriers and infected individuals, we reformulated the model into an optimal control model using Pontryagin’s maximum principles with intervention measures such as vaccination, treatment, and personal protection. Although Ghana’s most preferred meningitis intervention method is via treatment, the model’s simulations demonstrated that the best strategy to control meningitis is to combine vaccination with treatment. But the cost-effectiveness analysis results show that vaccination and treatment are among the most expensive measures to implement. For that reason, personal protection which is the most cost-effective measure needs to be encouraged, especially among individuals migrating from low- to high-risk meningitis belts.
      PubDate: Mon, 21 Nov 2022 11:50:01 +000
  • Coupling Shape Optimization and Topological Derivative for Maxwell

    • Abstract: The paper deals with a coupling algorithm using shape and topological derivatives of a given cost functional and a problem governed by nonstationary Maxwell’s equations in 3D. To establish the shape and topological derivatives, an adjoint method is used. For the topological asymptotic expansion, two examples of cost functionals are considered with the perturbation of the electric permittivity and magnetic permeability. We combine the shape derivative and topological one to propose an algorithm. The proposed algorithm allows to insert a small inhomogeneity (electric or magnetic) in a given shape.
      PubDate: Fri, 18 Nov 2022 08:05:05 +000
  • New Subclass of -Uniformly Univalent Analytic Functions with Negative
           Coefficients Defined by Multiplier Transformation

    • Abstract: In this work, we shall derive a new subclass of univalent analytic functions denoted by in the open unit disk which is defined by multiplier transformation. Coefficient inequalities, growth and distortion theorem, extreme points, and radius of starlikeness and convexity of functions belonging to the subclass are obtained.
      PubDate: Wed, 05 Oct 2022 11:05:01 +000
  • Optimal Homotopy Asymptotic Analysis of the Dynamics of Eyring-Powell
           Fluid due to Convection Subject to Thermal Stratification and Heat
           Generation Effect

    • Abstract: In the present study, the effect of thermal stratification and heat generation in the boundary layer flow of the Eyring-Powell fluid over the stratified extending surface due to convection has been investigated. The governing equations of the flow are transformed from partial differential equations into a couple of nonlinear ordinary differential equations via similarity variables. The optimal homotopy asymptotic method (OHAM) is used to acquire the approximate analytical solution to the problems. Impacts of flow regulatory parameters on temperature, velocity, skin friction coefficient, and Nusselt number are examined. It is discovered that the fluid velocity augments with a greater value of material parameter , mixed convection parameter , and material fluid parameter . The result also revealed that with a higher value of the Prandtl number Pr and the stratified parameter , the temperature and the velocity profile decreases, but the opposite behavior is observed when the heat generation/absorption parameter increases. The results are compared with available literature and are in good harmony. The present study has substantial ramifications in industrial, engineering, and technological applications, for instance, in designing various chemical processing equipment, distribution of temperature and moisture over agricultural fields, groves of fruit trees, environmental pollution, geothermal reservoirs, thermal insulation, enhanced oil recovery, and underground energy transport.
      PubDate: Fri, 23 Sep 2022 08:35:00 +000
  • On the New Generalized Hahn Sequence Space

    • Abstract: In this article, we define the new generalized Hahn sequence space , where is monotonically increasing sequence with for all , and . Then, we prove some topological properties and calculate the ,, and duals of . Furthermore, we characterize the new matrix classes , where , and , where . In the last section, we prove the necessary and sufficient conditions of the matrix transformations from into , and from into .
      PubDate: Fri, 16 Sep 2022 10:35:02 +000
  • Stability Results for Enriched Contraction Mappings in Convex Metric

    • Abstract: In this paper, we obtain some stability results of fixed point sets for a sequence of enriched contraction mappings in the setting of convex metric spaces. In particular, two types of convergence of mappings, namely, -convergence and -convergence are considered. We also illustrate our results by an application to an initial value problem for an ordinary differential equation.
      PubDate: Wed, 31 Aug 2022 15:20:02 +000
  • A Weak Convergence Theorem for Common Fixed Points of Two Nonlinear
           Mappings in Hilbert Spaces

    • Abstract: In this paper, by using properties of attractive points, we study an iteration scheme combining simplified Baillon type and Mann type to find a common fixed point of commutative two nonlinear mappings in Hilbert spaces. Then, we apply the obtained results to prove a new weak convergence theorem.
      PubDate: Fri, 26 Aug 2022 11:35:00 +000
  • Common Best Proximity Point Theorems for Generalized Proximal Weakly
           Contractive Mappings in b-Metric Space

    • Abstract: In this paper, common best proximity point theorems for weakly contractive mapping in b-metric spaces in the cases of nonself-mappings are proved; we introduced the notion of generalized proximal weakly contractive mappings in b-metric spaces and proved the existence and uniqueness of common best proximity point for these mappings in complete b-metric spaces. We also included some supporting examples that our finding is more generalized with the references we used.
      PubDate: Wed, 24 Aug 2022 10:50:03 +000
  • Solving Nonlinear Fractional Partial Differential Equations Using the
           Elzaki Transform Method and the Homotopy Perturbation Method

    • Abstract: In this paper, we combine the Elzaki transform method (ETM) with the new homotopy perturbation method (NHPM) for the first time. This hybrid approach can solve initial value problems numerically and analytically, such as nonlinear fractional differential equations of various normal orders. The Elzaki transform method (ETM) is used to solve nonlinear fractional differential equations, and then the homotopy is applied to the transformed equation, which includes the beginning conditions. To obtain the solution to an equation, we use the inverse transforms of the Elzaki transform method (ETM). The initial conditions have a big impact on the equation’s result. We give three beginning value issues that were solved as precise or approximation solutions with high rigor to demonstrate the method’s power and correctness. It is clear that solving nonlinear partial differential equations with the crossbred approach is the best alternative.
      PubDate: Mon, 08 Aug 2022 11:05:02 +000
  • Asymptotics and Confluence for a Singular Nonlinear
           -Difference-Differential Cauchy Problem

    • Abstract: We examine a family of nonlinear difference-differential Cauchy problems obtained as a coupling of linear Cauchy problems containing dilation difference operators, recently investigated by the author, and quasilinear Kowalevski type problems that involve contraction difference operators. We build up local holomorphic solutions to these problems. Two aspects of these solutions are explored. One facet deals with asymptotic expansions in the complex time variable for which a mixed type Gevrey and Gevrey structure are exhibited. The other feature concerns the problem of confluence of these solutions as tends to 1.
      PubDate: Mon, 08 Aug 2022 06:35:02 +000
  • On Nonsmooth Global Implicit Function Theorems for Locally Lipschitz
           Functions from Banach Spaces to Euclidean Spaces

    • Abstract: In this paper, we establish a generalization of the Galewski-Rădulescu nonsmooth global implicit function theorem to locally Lipschitz functions defined from infinite dimensional Banach spaces into Euclidean spaces. Moreover, we derive, under suitable conditions, a series of results on the existence, uniqueness, and possible continuity of global implicit functions that parametrize the set of zeros of locally Lipschitz functions. Our methods rely on a nonsmooth critical point theory based on a generalization of the Ekeland variational principle.
      PubDate: Thu, 28 Jul 2022 10:20:01 +000
  • Measure -Pseudo-Almost Periodic Functions and Lasota-Wazewska Model with
           Ergodic and Unbounded Oscillating Oxygen Demand

    • Abstract: The primary aim of this work is to introduce a new class of functions called --pseudo-almost periodic functions. Using the measure theory, we generalize in a natural way some recent works and study some properties of those --pseudo-almost periodic functions including two new composition results which play a crucial role for the existence of some --pseudo-almost periodic solutions of certain semilinear differential equations and partial differential equations. We also investigate the existence and uniqueness of the --pseudo-almost periodic solutions for some models of Lasota-Wazewska equation with measure -pseudo-almost periodic coefficient and mixed delays.
      PubDate: Tue, 26 Jul 2022 11:35:01 +000
  • On Certain Properties of a Univalent Function Associated with Beta

    • Abstract: Beta function has some applications in differential equations and other areas of sciences and engineering where certain definite integrals are used. However, its applications to univalent functions have not been explored based on the available literature. In this work, therefore, the authors defined a univalent function associated with the beta function with . Some geometric properties of the function are discussed.
      PubDate: Mon, 25 Jul 2022 11:35:03 +000
  • Corrigendum to “Smarandache Ruled Surfaces according to Frenet-Serret
           Frame of a Regular Curve in ”

    • Abstract: In this paper, we introduce original definitions of Smarandache ruled surfaces according to Frenet-Serret frame of a curve in It concerns TN-Smarandache ruled surface, TB-Smarandache ruled surface, and NB-Smarandache ruled surface. We investigate theorems that give necessary and sufficient conditions for those special ruled surfaces to be developable and minimal. Furthermore, we present examples with illustrations.
      PubDate: Mon, 11 Jul 2022 11:05:03 +000
  • Solutions of a Class of Multiplicatively Advanced Differential Equations
           II: Fourier Transforms

    • Abstract: For a wide class of solutions to multiplicatively advanced differential equations (MADEs), a comprehensive set of relations is established between their Fourier transforms and Jacobi theta functions. In demonstrating this set of relations, the current study forges a systematic connection between the theory of MADEs and that of special functions. In a large subset of the general case, we introduce a new family of Schwartz wavelet MADE solutions for and rational with . These have all moments vanishing and have a Fourier transform related to theta functions. For low parameter values derived from , the connection of the to the theory of wavelet frames is begun. For a second set of low parameter values derived from , the notion of a canonical extension is introduced. A number of examples are discussed. The study of convergence of the MADE solution to the solution of its analogous ODE is begun via an in depth analysis of a normalized example . A useful set of generalized -Wallis formulas are developed that play a key role in this study of convergence.
      PubDate: Thu, 07 Jul 2022 10:05:03 +000
  • Computational Technique to Study Analytical Solutions to the Fractional
           Modified KDV-Zakharov-Kuznetsov Equation

    • Abstract: In this article, we study and investigate the analytical solutions of the space-time nonlinear fractional modified KDV-Zakharov-Kuznetsov (mKDV-ZK) equation. We have got new exact solutions of the fractional mKDV-ZK equation by using first integral method; we found new types of hyperbolic solutions and trigonometric solutions by symbolic computation.
      PubDate: Mon, 20 Jun 2022 11:20:01 +000
  • Boundary Value Problems for Liénard-Type Equations with Quadratic
           Dependence on the “Velocity”

    • Abstract: The estimates were obtained for the number of solutions for the Neumann and Dirichlet boundary value problems associated with the Liénard equation with a quadratic dependence on the “velocity.” Sabatini’s transformation is used to reduce this equation to a conservative one, which does not contain the derivative of an unknown function. Despite the one-to-one correspondence between the equilibria, the topological structure of the phase portraits of both equations can differ significantly.
      PubDate: Sat, 11 Jun 2022 07:35:03 +000
  • On Solutions to a Class of Functional Differential Equations with
           Time-Dependent Coefficients

    • Abstract: In this paper, we study initial boundary value problems that involve functional (nonlocal) partial differential equations with variable coefficients. These problems arise in cell growth models with symmetric and asymmetric modes of division. We determine the general solution to the symmetric cell division problem for a certain class of coefficients and establish the convergence of solutions to a large time asymptotic solution. The existence of a steady size distribution (SSD) solution for an asymmetric cell division problem is established and is shown to be the large time-attracting solution for a certain class of coefficients. The rate of convergence of solutions towards the SSD solution is affected by the choice of coefficients and remains unaffected by the asymmetry in cell division. The uniqueness of solutions to the initial boundary value problem is also established.
      PubDate: Mon, 06 Jun 2022 08:20:01 +000
  • Coupled Fixed Point Theorems in Topological Spaces with Size Function

    • Abstract: Regarding the concept of size function topology, this allows us to view the topological space as a metric-like space. We prove the existence and uniqueness for a coupled fixed point of the map satisfying some certain contractive conditions.
      PubDate: Fri, 03 Jun 2022 04:35:02 +000
  • Discretization Fractional-Order Biological Model with Optimal Harvesting

    • Abstract: In this paper, a discretization of a three-dimensional fractional-order prey-predator model has been investigated with Holling type III functional response. All its fixed points are determined; also, their local stability is investigated. We extend the discretized system to an optimal control problem to get the optimal harvesting amount. For this, the discrete-time Pontryagin’s maximum principle is used. Finally, numerical simulation results are given to confirm the theoretical outputs as well as to solve the optimality problem.
      PubDate: Sat, 28 May 2022 04:50:01 +000
  • Projections in Moduli Spaces of the Kleinian Groups

    • Abstract: A two-generator Kleinian group can be naturally associated with a discrete group with the generator of order two and where This is useful in studying the geometry of the Kleinian groups since will be discrete only if is, and the moduli space of groups is one complex dimension less. This gives a necessary condition in a simpler space to determine the discreteness of . The dimension reduction here is realised by a projection of principal characters of the two-generator Kleinian groups. In applications, it is important to know that the image of the moduli space of Kleinian groups under this projection is closed and, among other results, we show how this follows from Jørgensen’s results on algebraic convergence.
      PubDate: Fri, 06 May 2022 12:20:01 +000
  • Maximal Injective Real W-Subalgebras of Tensor Products of Real W-Algebras

    • Abstract: It is known that injective (complex or real) W-algebras with particular factors have been studied well enough. In the arbitrary cases, i.e., in noninjective case, to investigate (up to isomorphism) W-algebras is hard enough, in particular, there exist continuum pairwise nonisomorphic noninjective factors of type II. Therefore, it seems interesting to study maximal injective W-subalgebras and subfactors. On the other hand, the study of maximal injective W-subalgebras and subfactors is also related to the well-known von Neumann’s bicommutant theorem. In the complex case, such subalgebras were investigated by S. Popa, L. Ge, R. Kadison, J. Fang, and J. Shen. In recent years, studies have also begun in the real case. Let us briefly recall the relevance of considering the real case. It is known that in the works of D. Topping and E. Stormer, it was shown that the study of JW-algebras (nonassociative real analogues of von Neumann algebras) of types II and III is essentially reduced to the study of real W-algebras of the corresponding type. It turned out that the structure of real W-algebras, generally speaking, differs essentially in the complex case. For example, in the finite-dimensional case, in addition to complex and real matrix algebras, quaternions also arise, i.e., matrix algebras over quaternions. In the infinite-dimensional case, it is proved that there exist, up to isomorphism, two real injective factors of type (), and a countable number of pairwise nonisomorphic real injective factors of type , whose enveloping (complex) W-factors are isomorphic, is constructed. It follows from the above that the study of the real analogue of problems in the theory of operator algebras is topical. Moreover, the real analogue is a generalization of the complex case, since the class of real linear operators is much wider than the class of complex linear operators. In this paper, the maximal injective real W-subalgebras of real W-algebras or real factors are investigated. For real factors , it is proven that if is a maximal injective W-subalgebra in , then also is a maximal injective real W-subalgebra in . The converse is proved in the case “”-factors, that is, it is shown that if is a real factor of type , then the maximal injectivity of implies the maximal injectivity of . Moreover, it is proven that a maximal injective real subfactor of a real factor is a maximal injective real W-subalgebra in if and only if is irreducible in , i.e., where is the unit. The “splitting theorem” of Ge-Kadison in the real case is also proven, namely, if is a finite real factor, is a finite real W-algebra, and is a real W-subalgebra of containing , then there is some real W-subalgebra such that . Moreover, it is given some affirmative answers to the question of S. Popa for the real case.
      PubDate: Mon, 25 Apr 2022 12:20:07 +000
  • Approximation Technique for Solving Linear Volterra Integro-Differential
           Equations with Boundary Conditions

    • Abstract: This paper presents a new technique for solving linear Volterra integro-differential equations with boundary conditions. The method is based on the blending of the Chebyshev spectral methods. The application of the proposed method leads the Volterra integro-differential equation to a system of algebraic equations that are easy to solve. Some examples are introduced and the obtained results are compared with exact solution as well as the methods that reported in the literature to illustrate the effectiveness and accuracy of the method. The results demonstrate that there is congruence between the numerical and the exact results to a high order of accuracy. Tables were generated to verify the accuracy convergence of the method and error. Figures are presented to show the excellent agreement between the results of this study and the results from literature.
      PubDate: Tue, 12 Apr 2022 06:50:01 +000
  • Numerical Solution of the Heat Transfer Equation Coupled with the Darcy
           Flow Using the Finite Element Method

    • Abstract: The finite element approach was utilized in this study to solve numerically the two-dimensional time-dependent heat transfer equation coupled with the Darcy flow. The Picard-Lindelöf Theorem was used to prove the existence and uniqueness of the solution. The prior and posterior error estimates are then derived for the numerical scheme. Numerical examples were provided to show the effectiveness of the theoretical results. The essential code development in this study was done using MATLAB computer simulation.
      PubDate: Tue, 05 Apr 2022 14:50:00 +000
  • Fixed Point Results for Generalized -Contraction Mapping in Rectangular
           -Metric Spaces

    • Abstract: In this paper, we introduce generalized -contraction mappings in the setting of rectangular -metric spaces and established existence and uniqueness of fixed points for the mappings introduced. Our results extend and generalize related fixed point results in the existing literature. We derive some consequences and corollaries from our obtained results. Also, we provide examples in support of our main findings. Furthermore, we determined a solution to an integral equation by applying our obtained results.
      PubDate: Tue, 05 Apr 2022 08:50:02 +000
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