Main Factors Influencing Winter Visibility at the Xinjin Flight College of the Civil Aviation Flight University of China by Jing Zhang, Pengguo Zhao, Xiuting Wang, Jie Zhang, Jia Liu, Bolan Li, Yunjun Zhou, Hao Wang

“…Visibility had a higher nonlinear correlation with PM2.5 concentration, relative humidity, and dew point depression. …”
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Three Solutions for Inequalities Dirichlet Problem Driven by p(x)-Laplacian-Like by Zhou Qing-Mei, Ge Bin

“…A class of nonlinear elliptic problems driven by p(x)-Laplacian-like with a nonsmooth locally Lipschitz potential was considered. …”
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Quasilinear Stochastic Cauchy Problem in Abstract Colombeau Spaces by Irina V. Melnikova, Uljana A. Alekseeva

“…Generalized solutions to the abstract Cauchy problem for a quasilinear equation with the generator of an integrated semigroup and with terms reflecting nonlinear perturbations and white noise type perturbations are under consideration. …”
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Nonoscillation theorems for functional differential equations of arbitrary order by John R. Graef, Myron K. Grammatikopoulos, Yuichi Kitamura, Takasi Kusano, Hiroshi Onose, Paul W. Spikes

“…The authors give sufficient conditions for all oscillatory solutions of a sublinear forced higher order nonlinear functional differential equation to converge to zero. …”
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Three-Point Boundary Value Problems for Conformable Fractional Differential Equations by H. Batarfi, Jorge Losada, Juan J. Nieto, W. Shammakh

“…We first obtain Green's function for the linear problem and then we study the nonlinear differential equation.…”
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Existence of Nonoscillatory Solutions of First-Order Neutral Differential Equations by Božena Dorociaková, Anna Najmanová, Rudolf Olach

“…This paper contains some sufficient conditions for the existence of positive solutions which are bounded below and above by positive functions for the first-order nonlinear neutral differential equations. These equations can also support the existence of positive solutions approaching zero at infinity…”
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A New Impulsive Multi-Orders Fractional Differential Equation Involving Multipoint Fractional Integral Boundary Conditions by Guotao Wang, Sanyang Liu, Dumitru Baleanu, Lihong Zhang

“…The existence and uniqueness results are obtained for a nonlinear problem with fractional integral boundary conditions by applying standard fixed point theorems. …”
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Input-to-State Stability of Singularly Perturbed Control Systems with Delays by Yongxiang Zhao, Aiguo Xiao, Li Li

“…By using the generalized Halanay inequality and Lyapunov functions, we derive the input-to-state stability of some classes of linear and nonlinear singularly perturbed control systems with delays.…”
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The Global Convergence of a New Mixed Conjugate Gradient Method for Unconstrained Optimization by Yang Yueting, Cao Mingyuan

“…We propose and generalize a new nonlinear conjugate gradient method for unconstrained optimization. …”
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Classification of Exact Solutions for Generalized Form of Equation by Hasan Bulut

“…From here, we find some interesting results for nonlinear partial differential equations with generalized evolution.…”
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Existence of Periodic Solutions to Multidelay Functional Differential Equations of Second Order by Cemil Tunç, Ramazan Yazgan

“…Using Lyapunov-Krasovskii functional approach, we establish a new result to guarantee the existence of periodic solutions of a certain multidelay nonlinear functional differential equation of second order. …”
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Zero-dispersion limit for integrable equations on the half-line with linearisable data by A. S. Fokas, S. Kamvissis

“…We study the zero-dispersion limit for certain initial boundary value problems for the defocusing nonlinear Schrödinger (NLS) equationand for the Korteweg-de Vries (KdV)equation with dominant surface tension. …”
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Navier-Stokes Equations with Potentials by Adriana-Ioana Lefter

“…Using the theory of nonlinear semigroups, we prove existence results for strong and weak solutions. …”
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Positive Solution to a Fractional Boundary Value Problem by A. Guezane-Lakoud, R. Khaldi

“…By means of Banach contraction principle, Leray-Schauder nonlinear alternative, properties of the Green function, and Guo-Krasnosel'skii fixed point theorem on cone, some results on the existence, uniqueness, and positivity of solutions are obtained.…”
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Some existence and uniqueness results for first-order boundary value problems for impulsive functional differential equations with infinite delay in Fréchet spaces by John R. Graef, Abdelghani Ouahab

“…A recent nonlinear alternative for contraction maps in Fréchet spaces due to Frigon and Granas is used to investigate the existence and uniqueness of solutions to first-order boundary value problems for impulsive functional differential equations with infinite delay. …”
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Fractional Langevin Equations with Nonseparated Integral Boundary Conditions by Khalid Hilal, Lahcen Ibnelazyz, Karim Guida, Said Melliani

“…In this paper, we discuss the existence of solutions for nonlinear fractional Langevin equations with nonseparated type integral boundary conditions. …”
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Averaging of multivalued differential equations by G. Grammel

“…Nonlinear multivalued differential equations with slow and fast subsystems are considered. …”
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On the Measurement of the (Non)linearity of Costas Permutations by Konstantinos Drakakis

“…We study several criteria for the (non)linearity of Costas permutations, with or without the imposition of additional algebraic structure in the domain and the range of the permutation, aiming to find one that successfully identifies Costas permutations as more nonlinear than randomly chosen permutations of the same order.…”
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Estimates of Exponential Stability for Solutions of Stochastic Control Systems with Delay by Irada A. Dzhalladova, Jaromír Baštinec, Josef Diblík, Denys Y. Khusainov

“…A nonlinear stochastic differential-difference control system with delay of neutral type is considered. …”
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Timewise–dependent Coefficients Identification Problems for Third-Order Pseudo-Parabolic Equations from Nonlocal Extra Conditions by Mohammed S. Hussein, Sayl Gani, Taysir E. Dyhoum

“…In contrast, the inverse problems were reformulated as nonlinear least-square minimization and solved efficiently by optimizing MATLAB routine lsqnonlin. …”
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