Showing 201 - 220 results of 288 for search '"difference equation"', query time: 0.06s Refine Results
  1. 201

    Modeling and Analysis on Teacher-Student Relationship by Li Xu, Qi Yang

    Published 2019-01-01
    “…In this paper, a difference equation model is applied to express the relationship, stability analysis at the positive steady state of the discrete model is done to verify that the performance output is not empty, and hypothesis testing is conducted to show the validity of the model by means of sample data from a college. …”
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  2. 202

    Global Exponential Stability of Discrete-Time Neural Networks with Time-Varying Delays by S. Udpin, P. Niamsup

    Published 2013-01-01
    “…Based on a discrete-type inequality, a new global stability condition for nonlinear difference equation is derived. We consider nonlinear discrete systems with time-varying delays and independence of delay time. …”
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  3. 203

    Analytic solutions of nonlinear Cournot duopoly game by Akio Matsumoto, Mami Suzuki

    Published 2005-01-01
    “…Moreover, we seek general solutions of the model in the form of nonlinear second-order difference equation.…”
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  4. 204

    On the Dynamics of the Recursive Sequence by Mehmet Gümüş, Özkan Öcalan, Nilüfer B. Felah

    Published 2012-01-01
    “…We investigate the boundedness character, the oscillatory, and the periodic character of positive solutions of the difference equation , where , , and the initial conditions are arbitrary positive numbers. …”
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  5. 205

    Global Asymptotic Stability of a Rational System by Lin-Xia Hu, Xiu-Mei Jia

    Published 2014-01-01
    “…The main goal of this paper is to investigate the global asymptotic behavior of the difference equation xn+1=β1xn/A1+yn, yn+1=β2xn+γ2yn/xn+yn, n=0,1,2,… with β1,β2,γ2,A1∈(0,∞) and the initial value (x0,y0)∈[0,∞)×[0,∞) such that x0+y0≠0. …”
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  6. 206

    Dynamics of an ultra-discrete SIR epidemic model with time delay by Masaki Sekiguchi, Emiko Ishiwata, Yukihiko Nakata

    Published 2018-05-01
    “…It is proven that the ultra-discrete model has a threshold property concerning global attractivity of equilibria as shown in differential and difference equation models. We also study an interesting convergence pattern of the solution, which is illustrated in a two-dimensional lattice.…”
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  7. 207

    Comparison of the Wiener and Kirchhoff Indices of Random Pentachains by Shouliu Wei, Wai Chee Shiu, Xiaoling Ke, Jianwu Huang

    Published 2021-01-01
    “…In this paper, explicit formulae for the expected values of the Wiener and Kirchhoff indices of random pentachains are derived by the difference equation and recursive method. Based on these formulae, we then make comparisons between the expected values of the Wiener index and the Kirchhoff index in random pentachains and present the average values of the Wiener and Kirchhoff indices with respect to the set of all random pentachains with n pentagons.…”
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  8. 208

    On the Recursive Sequence 𝑥𝑛+𝟏=max{𝑥𝑛,𝐴}/𝑥𝟐𝑛𝑥𝑛−𝟏 by Ibrahim Yalcinkaya, Cengiz Cinar, Ali Gelisken

    Published 2010-01-01
    “…We investigate the periodic nature of the solution of the max-type difference equation 𝑥𝑛+1=max{𝑥𝑛,𝐴}/𝑥2𝑛𝑥𝑛−1, 𝑛=0,1,2,…, where the initial conditions are 𝑥−1=𝐴𝑟1 and 𝑥0=𝐴𝑟2 for 𝐴∈(0,∞), and that 𝑟1 and 𝑟2 are positive rational numbers. …”
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  9. 209

    Oscillation Theorems for Second-Order Half-Linear Advanced Dynamic Equations on Time Scales by Shuhong Tang, Tongxing Li, Ethiraju Thandapani

    Published 2011-01-01
    “…Our results not only improve and complement those results in the literature but also unify the oscillation of the second-order half-linear advanced differential equation and the second-order half-linear advanced difference equation. Three examples are included to illustrate the main results.…”
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    Article
  10. 210

    Problems for combinatorial numbers satisfying a class of triangular arrays by Igoris Belovas

    Published 2023-11-01
    “… Numbers satisfying a class of triangular arrays, defined by a bivariate first-order linear difference equation with linear coefficients, include a wide range of combinatorial numbers: binomial coefficients, Morgan numbers, Stirling numbers of the first and the second types, non-central Stirling numbers, Eulerian numbers, Lah numbers, and their generalizations. …”
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  11. 211

    On the Rational Recursive Sequence xn+1=(A+∑i=0kαixn−i)/(B+∑i=0kβixn−i) by E. M. E. Zayed, M. A. El-Moneam

    Published 2007-01-01
    “…The main objective of this paper is to study the boundedness character, the periodic character, the convergence, and the global stability of the positive solutions of the difference equation xn+1=(A+∑i=0kαixn−i)/(B+∑i=0kβixn−i), n=0,1,2,…, where A, B, αi, βi and the initial conditions x−k,...…”
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  12. 212

    A Multilevel Finite Difference Scheme for One-Dimensional Burgers Equation Derived from the Lattice Boltzmann Method by Qiaojie Li, Zhoushun Zheng, Shuang Wang, Jiankang Liu

    Published 2012-01-01
    “…The system of the lattice Boltzmann equations for the distribution of the fictitious particles is rewritten as a three-level finite difference equation. The scheme is monotonic and satisfies maximum value principle; therefore, the stability is proved. …”
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  13. 213

    Hyers–Ulam Stability for Quantum Equations of Euler Type by Douglas R. Anderson, Masakazu Onitsuka

    Published 2020-01-01
    “…Many applications using discrete dynamics employ either q-difference equations or h-difference equations. In this work, we introduce and study the Hyers–Ulam stability (HUS) of a quantum (q-difference) equation of Euler type. …”
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  14. 214

    Almost Periodic Solution of a Multispecies Discrete Mutualism System with Feedback Controls by Hui Zhang, Feng Feng, Bin Jing, Yingqi Li

    Published 2015-01-01
    “…We firstly obtain the permanence of the system by utilizing the theory of difference equation. By means of constructing a suitable Lyapunov function, sufficient conditions are obtained for the existence of a unique positive almost periodic solution which is uniformly asymptotically stable. …”
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  15. 215

    Basin of Attraction through Invariant Curves and Dominant Functions by Ziyad AlSharawi, Asma Al-Ghassani, A. M. Amleh

    Published 2015-01-01
    “…We study a second-order difference equation of the form zn+1=znF(zn-1)+h, where both F(z) and zF(z) are decreasing. …”
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  16. 216

    On the Recursive Sequence xn=1+∑i=1kαixn−pi/∑j=1mβjxn−qj by Stevo Stevic

    Published 2007-01-01
    “…We give a complete picture regarding the behavior of positive solutions of the following important difference equation: xn=1+∑i=1kαixn−pi/∑j=1mβjxn−qj, n∈ℕ0, where αi, i∈{1,…,k}, and βj, j∈{1,…,m}, are positive numbers such that ∑i=1kαi=∑j=1mβj=1, and pi, i∈{1,…,k}, and qj, j∈{1,…,m}, are natural numbers such that p1<p2<⋯<pk and q1<q2<⋯<qm. …”
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  17. 217

    Oscillation of Second-Order Nonlinear Delay Dynamic Equations with Damping on Time Scales by H. A. Agwa, Ahmed M. M. Khodier, Heba A. Hassan

    Published 2014-01-01
    “…Also, our results unify the oscillation of the second-order nonlinear delay differential equation with damping and the second-order nonlinear delay difference equation with damping. Finally, we give some examples to illustrate our main results.…”
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  18. 218

    Dichotomies with No Invariant Unstable Manifolds for Autonomous Equations by Răzvan O. Moşincat, Ciprian Preda, Petre Preda

    Published 2012-01-01
    “…Roughly speaking, we prove that if the solution of the corresponding inhomogeneous difference equation belongs to any sequence space (on which the right shift is an isometry) for every inhomogeneity from the same class of sequence spaces, then the continuous-time solutions of the autonomous homogeneous differential equation will exhibit a (no past) exponential dichotomic behavior. …”
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  19. 219

    Thermal Property of Granite in Deep Strata and Its Effect on Thermal Zone of Surrounding Rock by Peng Xiang, Hui-Ci Xu, Hong-Guang Ji, Qi Li, Huan Wang

    Published 2022-01-01
    “…According to the difference equation based on the principle of heat balance, the numerical solution of unsteady heat conduction of surrounding rock can be deduced. …”
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  20. 220

    Modeling Dominant Height Growth in Planted Pinus pinea Stands in Northwest of Tunisia by Sghaier Tahar, Palahi Marc, Garchi Salah, Bonet José Antonio, Ammari Youssef, Pique Miriam

    Published 2012-01-01
    “…Six generalized algebraic difference equations (GADAs) derived from the base models of log-logistic, Bertalanffy-Richards, and Lundqvist-Korf were used to develop site index model for Pinus pinea plantations in north-west of Tunisia. …”
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