Multiplicity of positive solutions for a third-order boundary value problem with nonlocal conditions of integral type by Sergey Smirnov

“…We prove the existence of multiple positive solutions for a nonlinear third-order nonlocal boundary value problem by applying Krasnosel’skii’s fixed point theorem. …”
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Surfaces of a Constant Negative Curvature by G. M. Gharib

“…I study the geometric notion of a differential system describing surfaces of a constant negative curvature and describe a family of pseudospherical surfaces for the nonlinear partial differential equations with constant Gaussian curvature .…”
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Asymptotics of integrodifferential models with integrable kernels II by Angelina M. Bijura

“…Nonlinear singularly perturbed Volterra integrodifferential equations with weakly singular kernels are investigated using singular perturbation methods, the Mellin transform technique, and the theory of fractional integration.…”
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Time-Periodic Solution of the Weakly Dissipative Camassa-Holm Equation by Chunyu Shen

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Global Existence of the Higher-Dimensional Linear System of Thermoviscoelasticity by Zhiyong Ma

“…Using semigroup approach, we will establish the global existence of homogeneous, nonhomogeneous, linear, semilinear, and nonlinear, thermoviscoelastic systems.…”
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Integrodifferential Inequalities Arising in the Theory of Differential Equations by Zareen A. Khan

“…The goal of this paper is to achieve some new results related to integrodifferential inequalities of one independent variable which can be applied as a study of qualitative and quantitative properties of solutions of some nonlinear integral equations.…”
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Existence of solutions for a class of BVPs on the half-line by Souad Ayadi, Ozgur Ege

“…In this paper, we establish sufficient conditions to guarantee some existence results of nontrivial solutions for a class of nonlinear boundary value problem posed on an unbounded interval of ℝH1(0,∞)Cl,p ( [0,+∞))…”
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Review of algebraic attacks on stream ciphers by ZHANG Long1, WU Wen-ling2, WEN Qiao-yan1

“…The basic theory and realizing methods of algebraic attacks on stream ciphers are presented.Then the algebraic attacks on stream ciphers with linear feedback shift register and the efficient techniques to decrease the degree of the nonlinear equations system are described in detail.After analyzing the complexity of whole procedures in algebraic attacks,the direction and future works of this research filed are summarized in the end.…”
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Second-Order Elliptic Equation with Singularities by Hichem Boughazi

“…On the compact Riemannian manifold of dimension n≥5, we study the existence and regularity of nontrivial solutions for nonlinear second-order elliptic equation with singularities. …”
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On mixed finite element techniques for elliptic problems by M. Aslam Noor

“…The main aim of this paper is to consider the numerical approximation of mildly nonlinear elliptic problems by means of finite element methods of mixed type. …”
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Error estimates for the finite element solutions of variational inequalities by M. Aslam Noor

“…For piecewise linear approximation of variational inequalities associated with the mildly nonlinear elliptic boundary value problems having auxiliary constraint conditions, we prove that the error estimate for u−uh in the W1,2-norm is of order h.…”
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On p→(x)-Anisotropic Problems with Neumann Boundary Conditions by Anass Ourraoui

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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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The Global Weak Solution for a Generalized Camassa-Holm Equation by Shaoyong Lai

“…A nonlinear generalization of the famous Camassa-Holm model is investigated. …”
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Comprehensive analysis of Pan-Immune Inflammation and all-cause mortality in rheumatoid arthritis: a database-driven approach, 1999-2018 by Muradil· Mardan, Huoliang Zheng, Qingyin Xu, Shaokuan Song, Zeyu Lu, Hui Deng, Hao Cai, Qizhu Chen, Bingyi Yang, Kudelaiti· Abuduwufuer, Pengbo Chen, Bo Li, Shengdan Jiang, Leisheng Jiang, Xin-feng Zheng

“…RCS analysis revealed a nonlinear relationship with a threshold at PIV = 302. …”
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A Three-Dimensional Anisotropic Diffusion Equation-Based Video Recognition Model for Classroom Concentration Evaluation in English Language Teaching by Yanghong Liu, Jintao Liu

“…DK features provide a nonlinear description of the correlation between successive face images and express face image sequences in the temporal dimension; depth features are extracted by a pretrained depth neural network model that can express the complex nonlinear mapping relationships of images and reflect the more abstract implicit information inside face images. …”
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Dissipation Alters Modes of Information Encoding in Small Quantum Reservoirs near Criticality by Krai Cheamsawat, Thiparat Chotibut

“…Here, we investigate a minimal model of a driven-dissipative quantum reservoir described by two coupled Kerr-nonlinear oscillators, an experimentally realizable platform that features controllable coupling, intrinsic nonlinearity, and tunable photon loss. …”
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Ant Colony Optimization Analysis on Overall Stability of High Arch Dam Basis of Field Monitoring by Peng Lin, Xiaoli Liu, Hong-Xin Chen, Jinxie Kim

“…A typical dam parameter feedback problem is proposed for nonlinear back-analysis numerical model based on field monitoring deformation and ACO. …”
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Mathematical Modelling and Optimisation of Operating Parameters for Enhanced Energy Generation in Gas Turbine Power Plant with Intercooler by Anthony O. Onokwai, Udochukwu B. Akuru, Dawood A. Desai

“…The study combined response surface methodology (RSM) and central composite design (CCD) with advanced metaheuristic algorithms, including ANFIS, ANFIS PSO and ANFIS GA, to model nonlinear interactions of key parameters, including the pressure ratio, ambient temperature, turbine inlet temperature and the effectiveness of the intercooler. …”
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Bridge Structure Dynamic Analysis under Vessel Impact Loading considering Soil-Pile Interaction and Linear Soil Stiffness Approximation by Jingfeng Zhang, Xiaozhen Li, Yuan Jing, Wanshui Han

“…Of various SPI modeling approaches, utilizing p-y and t-z curves is a common method to represent the nonlinear lateral resistance and skin friction of pile-surrounding soil. …”
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