New Exact Solutions and Modulation Instability for the Nonlinear (2+1)-Dimensional Davey-Stewartson System of Equation by Kwasi Boateng, Weiguo Yang, Wilson Osafo Apeanti, David Yaro

“…The Davey-Stewartson Equation (DSE) is an equation system that reflects the evolution in finite depth of soft nonlinear packets of water waves that move in one direction but in which the waves’ amplitude is modulated in spatial directions. …”
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A Dynamic Design Methodology for Large-Scale Complex Nonlinear Systems Based on Orthogonal Decomposition Technique by Qi-Bin Wang, Si-Yang Piao, Ming-Wei Piao, Peng Dang, Qiu-Ze Li, Jing-Ying Ren

“…The researching viewpoint of hunting kinematics makes the investigations on the geometric nonlinearity of the wheel-rail contacts contrary to the hypothesis of small creepage and no spin. …”
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Adaptive fuzzy command filtered control for uncertain fractional order nonlinear systems with full state constraints by Ruixia Liu, Yang Han, Lei Xing, Liyang Sun

“…Abstract This paper investigates the tracking control problem for fractional-order (FO) nonlinear systems with model uncertainties and external disturbances under full-state constraints. …”
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The health effect of relaxing entry regulation for private hospitals and its nonlinear characteristics: evidence from China by Wanwen Jia, Wanwen Jia

“…To examine the potential nonlinear relationship, a panel threshold model is also employed. …”
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Comparison of Uplift Capacity and Nonlinear Failure Surfaces of Single-Belled Anchor in Homogeneous and Layered Sand Deposits by Tanaya Deb, Sujit Kumar Pal

“…This experimental study explains the contribution of embedment ratios, diameter ratios, and bell angles to uplift capacities of single-belled anchors and formation of nonlinear failure surfaces in homogeneous and layered sand deposits. …”
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Deconvolution Filtering for Nonlinear Stochastic Systems with Randomly Occurring Sensor Delays via Probability-Dependent Method by Yuqiang Luo, Guoliang Wei, Hamid Reza Karimi, Licheng Wang

“…This paper deals with a robust H∞ deconvolution filtering problem for discrete-time nonlinear stochastic systems with randomly occurring sensor delays. …”
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A Nonhomogeneous Dirichlet Problem for a Nonlinear Pseudoparabolic Equation Arising in the Flow of Second-Grade Fluid by Le Thi Phuong Ngoc, Truong Thi Nhan, Nguyen Thanh Long

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The Soliton Solutions and Long-Time Asymptotic Analysis for an Integrable Variable Coefficient Nonlocal Nonlinear Schrödinger Equation by Guiying Chen, Xiangpeng Xin, Feng Zhang

“…An integrable variable coefficient nonlocal nonlinear Schrödinger equation (NNLS) is studied; by employing the Hirota’s bilinear method, the bilinear form is obtained, and the N-soliton solutions are constructed. …”
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Nonlinear Dynamic Analysis and Synchronization of Four-Dimensional Lorenz-Stenflo System and Its Circuit Experimental Implementation by Cheng-Hsiung Yang, Cheng-Lin Wu

“…In this paper, first a new nonlinear chaotic dynamical system had be design, analyze and build circuit. …”
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Third-Order Nonlinear Optical Behavior of Novel Polythiophene Derivatives Functionalized with Disperse Red 19 Chromophore by Marilú Chávez-Castillo, Arelis Ledesma-Juárez, Marisol Güizado-Rodríguez, Jesús Castrellón-Uribe, Gabriel Ramos-Ortiz, Mario Rodríguez, José-Luis Maldonado, Jorge-Antonio Guerrero-Álvarez, Victor Barba

“…From these experiments it was observed that although the TRD19 incorporation into the side chain of the copolymers was lower than 5%, it was sufficient to increase their nonlinear response in solid state. For instance, the third-order nonlinear electric susceptibility (χ3) of solid thin films made of these copolymers exhibited an increment of nearly 60% when TDR19 incorporation increased from 3% to 5%. …”
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Bifurcation analysis, chaotic behavior, sensitivity demonstration and dynamics of fractional solitary waves to nonlinear dynamical system by Usman Younas, Ejaz Hussain, Jan Muhammad, Mubariz Garayev, Mohammed El-Meligy

“…In various fields of nonlinear sciences, fractional derivatives improve the accuracy and understanding of nonlinear dynamics. …”
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Nonlinear Dynamic Behaviors of a Marine Rotor-Bearing System Coupled with Air Bag and Floating-Raft by W. Zhao, M. Li, L. Xiao

“…To understand the nonlinear dynamic mechanism of a rotor-bearing system coupled with air bag and floating-raft, the dynamic characteristics of the system are investigated. …”
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Defect state enhanced nonlinear absorption and optical limiting behaviour of erbium doped silver molybdate nanostructures by B. Binish, K. Mani Rahulan, T. C. Sabari Girisun, Nisha S. Panicker

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Regarding on the Results for the Fractional Clannish Random Walker’s Parabolic Equation and the Nonlinear Fractional Cahn-Allen Equation by Md. Nur Alam, Onur Alp İlhan, Md. Sabur Uddin, Md. Abdur Rahim

“…The above techniques could also be employed to get exact solutions for other fractional nonlinear models in physics, applied mathematics, and engineering.…”
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On nonlinear coupled differential system for heat transfer in magnetized enclosure with T-shaped baffle by using machine learning by Khalil Ur Rehman, Wasfi Shatanawi, Lok Yian Yian

Subjects: “…Nonlinear PDEs…”
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Analysis on Multimode Nonlinear Resonance of an Asymmetric Rolling Bearing Rotor with the Application of a Squeeze Film Damper by Chen Huizheng, Zhong Shun, Lu Zhenyong, Chen Yushu, Liu Xiyu

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Erratum to “Learning to Boost the Performance of Stable Nonlinear Systems” by Luca Furieri, Clara Lucia Galimberti, Giancarlo Ferrari-Trecate

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On the Positive Almost Periodic Solutions of a Class of Nonlinear Lotka-Volterra Type System with Feedback Control by Ni Hua, Tian Li-Xin, Yao Hong-Xing

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Enhanced disturbance mitigation in nonlinear time delay systems with applications to double boost converters in microgrid environments by Mohanapriya Saminathan, Deepa Kaliyaperumal, Gopalakrishnan Ennappadam Ananthanarayanan, Deepa Gupta, Varikuti Sai Soumya Reddy

“…Abstract This study proposes an enhanced Smith Predictor (ESP) based Modified repetitive control (MRC) technique to develop a precise tracking performance of the input delayed double boost converter model, which is highly influenced by disturbances and saturation nonlinearity. A group of inequalities is derived on the basis of Lyapunov stability concept, which are in the form of linear-matrix-inequalities (LMIs) to guarantee the asymptotic stability and tracking performance of the considered delayed double boost converter. …”
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Nonlinear Adaptive Neural Control of Power Converter‐Driven DC Motor System: Design and Experimental Validation by Tousif Khan Nizami, Sasank Das Gangula, Ramanjaneya Reddy Udumula, Arghya Chakravarty, Fareed Ahmad, Alireza Hosseinpour

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