Fixed Point Property of Variable Exponent Cesàro Complex Function Space of Formal Power Series under Premodular by Awad A. Bakery, Elsayed A. E. Mohamed

“…Finally, real-world examples and applications show solutions to some nonlinear difference equations.…”
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Positive Solutions for a Class of Fourth-Order p-Laplacian Boundary Value Problem Involving Integral Conditions by Yan Sun

“…The interesting point of the results is that the nonlinear term contains all lower-order derivatives explicitly. …”
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A Panoramic Sketch about the Robust Stability of Time-Delay Systems and Its Applications by Baltazar Aguirre-Hernández, Raúl Villafuerte-Segura, Alberto Luviano-Juárez, Carlos Arturo Loredo-Villalobos, Edgar Cristian Díaz-González

“…Besides, criteria on robust stability and stability of nonlinear time-delay systems are presented, including some numerical approaches.…”
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Multiple Solutions of Mixed Convective MHD Casson Fluid Flow in a Channel by Jawad Raza, Azizah Mohd Rohni, Zurni Omar

“…Governing partial differential equation of the proposed problem converted into nonlinear ordinary differential equations by using similarity transformation. …”
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On a Predator-Prey Model Involving Age and Spatial Structure by Okana S. Sougué, Oumar Traoré

“…In this paper, we study the mathematical analysis of a nonlinear age-dependent predator–prey system with diffusion in a bounded domain with a non-standard functional response. …”
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On New χ-Fixed Point Results for λ−Υ,χ-Contractions in Complete Metric Spaces with Applications by Babak Mohammadi, Wutiphol Sintunavarat, Vahid Parvaneh

“…Finally, the existence of solutions of nonlinear integral equations is investigated via the theoretical results in this work.…”
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Further Results about Traveling Wave Exact Solutions of the (2+1)-Dimensional Modified KdV Equation by Yang Yang, Jian-ming Qi, Xue-hua Tang, Yong-yi Gu

“…We have faith in that this method exhibited in this paper can be used to solve some nonlinear evolution equations in mathematical physics. …”
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A Review on the Control of Second Order Underactuated Mechanical Systems by Soukaina Krafes, Zakaria Chalh, Abdelmjid Saka

“…This paper describes some important classes of two degrees of freedom of underactuated mechanical system and also surveys review of the recent state-of-the-art concerning the mathematical modeling of these systems, their classification, and all the control strategies (linear, nonlinear, and intelligent) that have been made so far (i.e., from the year 2000 to date) to control these systems. …”
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APPROACHES TO DETERMINING THE EFFECTIVENESS OF BUSINESS COMMUNICATION IN THE PREPARATION OF STUDENTS by O. N. Gromova

“…It has been shown, that the concept of efficiency is a nonlinear problem, supposing the determination of the compromise zone for each of the parties involved. …”
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Novel Analysis of Fractional-Order Fifth-Order Korteweg–de Vries Equations by Ahmed B. Khoshaim, Muhammad Naeem, Ali Akgul, Nejib Ghanmi, Shamsullah Zaland

“…In this paper, the ρ-homotopy perturbation transformation method was applied to analysis of fifth-order nonlinear fractional Korteweg–de Vries (KdV) equations. …”
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Recent Fixed-Point Results for θ−Contraction Mappings in Rectangular M−Metric Spaces with Supportive Application by Mustafa Mudhesh, Hasanen A. Hammad, Habes Alsamir, Muhammad Arshad, Eskandar Ameer

“…Ultimately, our theoretical result has been implicated to study the existence and uniqueness of the solution to a nonlinear integral equation (NIE).…”
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Coupled Fixed Point Theorems for Weak Contraction Mappings under F-Invariant Set by Wutiphol Sintunavarat, Yeol Je Cho, Poom Kumam

“…We also give some examples of a nonlinear contraction mapping, which is not applied to the existence of the coupled fixed point by the results of Cho et al. but can be applied to our results. …”
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Nehari-Type Ground State Positive Solutions for Superlinear Asymptotically Periodic Schrödinger Equations by Xiaoyan Lin, X. H. Tang

“…We deal with the existence of Nehari-type ground state positive solutions for the nonlinear Schrödinger equation -Δu+Vxu=fx, u, x ∈ RN, u ∈ H1 RN. …”
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Stress-Softening Formulae of Polymer Bearings by M. H. B. M. Shariff, Anoop Sivasankaran, Zanin Kavazović

“…We furthermore found that, in a nonlinear deformation, the shape factor plays an important role in stress softening. …”
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Optimization of the learning rate in the algorithm for data visualization by Viktor Medvedev, Gintautas Dzemyda

“…The paper describes an unsupervised backpropagation algorithm to train a multilayer feed-forward neural network (SAMANN) to perform the Sammon‘s nonlinear projection. In our research the emphasis is put on the optimization of the learning rate to save computation time without losing the mapping quality. …”
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A Fourth Order Finite Difference Method for the Good Boussinesq Equation by M. S. Ismail, Farida Mosally

“…Newton’s method and linearization techniques are used to solve the resulting nonlinear system. The exact solution and the conserved quantity are used to assess the accuracy and the efficiency of the derived method. …”
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Periodicity, Stability, and Boundedness of Solutions to Certain Second Order Delay Differential Equations by A. T. Ademola, B. S. Ogundare, M. O. Ogundiran, O. A. Adesina

“…The behaviour of solutions to certain second order nonlinear delay differential equations with variable deviating arguments is discussed. …”
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The Multistage Homotopy Perturbation Method for Solving Chaotic and Hyperchaotic Lü System by M. S. H. Chowdhury, Nur Isnida Razali, Waqar Asrar, M. M. Rahman

“…The multistage homotopy-perturbation method (MHPM) is applied to the nonlinear chaotic and hyperchaotic Lü systems. MHPM is a technique adapted from the standard homotopy-perturbation method (HPM) where the HPM is treated as an algorithm in a sequence of time intervals. …”
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Disturbance Observer-Based Adaptive Control of Hypersonic Vehicles with Constrained Actuators by Guan Wang, Li Li, Weihua Li, Huajun Zhou, Changbo Ma, Hongwei Xia

“…This study investigates an adaptive controller for the flexible air-breathing hypersonic vehicles (AHVs) subject to external disturbances and actuator constraints. The combination of nonlinear disturbance observer and adaptive mechanism is exploited to design an adaptive controller for each subsystem. …”
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Some Fixed Point Results for Perov-Ćirić-Prešić Type F-Contractions with Application by Abdolsattar Gholidahneh, Shaban Sedghi, Vahid Parvaneh

“…To support our main result, an example and an application to nonlinear operator systems are presented.…”
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