Showing 1,581 - 1,600 results of 2,781 for search '"differential equations"', query time: 0.13s Refine Results
  1. 1581

    Parameter estimation in a structured erythropoiesis model by Azmy S. Ackleh, Jeremy J. Thibodeaux

    Published 2008-09-01
    “…We develop a numerical method for estimating parameters in astructured erythropoiesis model consisting of a nonlinear system ofpartial differential equations. Convergence theory for the computedparameters is provided. …”
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    Article
  2. 1582

    Fractional Integration via Picard Method for Solving Fractional Differential-Algebraic Systems by Susan H. Mohammad, Abdulghafor Mohammed Al-Rozbayani

    Published 2024-01-01
    “…In this paper, we applied an efficient integrative method called the fractional Picard method to find the approximate solution to a system of fractional algebraic differential equations (SFADEs). By comparing the results with the exact solution, it was found that this method is highly efficient for finding solutions. …”
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    Article
  3. 1583

    First-Order Three-Point Boundary Value Problems at Resonance Part III by Mesliza Mohamed, Bevan Thompson, Muhammad Sufian Jusoh

    Published 2012-01-01
    “…The main purpose of this paper is to investigate the existence of solutions of BVPs for a very general case in which both the system of ordinary differential equations and the boundary conditions are nonlinear. …”
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    Article
  4. 1584

    Positive Periodic Solutions in a Discrete Time Three Species Competition System by Changjin Xu, Yusen Wu

    Published 2013-01-01
    “…With the aid of differential equations with piecewise constant arguments, a discrete analogue of continuous nonautonomous three species competition system is proposed. …”
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    Article
  5. 1585

    Torsional Vibrations at Guide-Vane Shaft of Pump–Turbine Model by Andrej Predin

    Published 1997-01-01
    “…The mathematical models for theoretical torsional vibration prediction formulated using linear and nonlinear differential equations are presented. The results of theoretical calculations are compared with measurement results. …”
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    Article
  6. 1586

    Explicit Determinants of the RFPrLrR Circulant and RLPrFrL Circulant Matrices Involving Some Famous Numbers by Tingting Xu, Zhaolin Jiang, Ziwu Jiang

    Published 2014-01-01
    “…Circulant matrices may play a crucial role in solving various differential equations. In this paper, the techniques used herein are based on the inverse factorization of polynomial. …”
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    Article
  7. 1587

    Some Results on Equivalence Groups by J. C. Ndogmo

    Published 2012-01-01
    “…The comparison of two common types of equivalence groups of differential equations is discussed, and it is shown that one type can be identified with a subgroup of the other type, and a case where the two groups are isomorphic is exhibited. …”
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    Article
  8. 1588

    Solutions of Fractional Konopelchenko-Dubrovsky and Nizhnik-Novikov-Veselov Equations Using a Generalized Fractional Subequation Method by Yanqin Liu, Limei Yan

    Published 2013-01-01
    “…It is observed that the proposed approach provides a simple and reliable tool for solving many other fractional coupled differential equations.…”
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    Article
  9. 1589

    Integral invariant manifold method applied to a mathematical model of osteosarcoma by Ophir Nave

    Published 2025-03-01
    “…These interactions are described by nonlinear ordinary differential equations. By applying the MIM method, two critical dynamic variables (Cancer cells and Necrotic cells) were identified, providing insights into the dynamics of osteosarcoma over time during treatment.…”
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    Article
  10. 1590

    Culling structured hosts to eradicate vector-borne diseases by Xinli Hu, Yansheng Liu, Jianhong Wu

    Published 2009-02-01
    “…A compartmental model is developed, in the form of a nonautonomoussystem of delay differential equations subject to impulses atspecific times, for mosquito-born disease control involvinglarvicides and insecticide sprays. …”
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  11. 1591

    Gluing for the Einstein constraint equations by Corvino, Justin

    Published 2025-01-01
    “…Initial data for the Einstein equations must satisfy a system of nonlinear partial differential equations, the Einstein constraint equations. …”
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    Article
  12. 1592

    Global Existence for the 3D Tropical Climate Model with Small Initial Data in H˙1/2ℝ3∗ by Hui Zhang, Juan Xu

    Published 2022-01-01
    “…The well-posedness problem is an important but challenging research topic in nonlinear partial differential equations. In this paper, we establish a global-in-time existence result of strong solutions for small initial data in terms of the H˙1/2ℝ3 norm on three-dimensional tropical climate model with viscosities by derive a blow-up criterion combine with energy estimates. …”
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    Article
  13. 1593

    Dynamic Properties of the Solow Model with Increasing or Decreasing Population and Time-to-Build Technology by Luca Guerrini, Mauro Sodini

    Published 2013-01-01
    “…The analytical results are obtained using the recent technique introduced by Beretta and Kuang (2002) in the studying of delayed differential equations with delay-dependent coefficients in characteristic equation. …”
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    Article
  14. 1594

    Dynamic Behaviors of an SEIR Epidemic Model in a Periodic Environment with Impulse Vaccination by Mei Yan, Zhongyi Xiang

    Published 2014-01-01
    “…By applying Floquet theory and the comparison theorem of impulsive differential equations, a threshold parameter which determines the extinction or persistence of the disease is presented. …”
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  15. 1595

    Skew Circulant Type Matrices Involving the Sum of Fibonacci and Lucas Numbers by Zhaolin Jiang, Yunlan Wei

    Published 2015-01-01
    “…Skew circulant and circulant matrices have been an ideal research area and hot issue for solving various differential equations. In this paper, the skew circulant type matrices with the sum of Fibonacci and Lucas numbers are discussed. …”
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    Article
  16. 1596

    Positive Solutions for p-Laplacian Fourth-Order Differential System with Integral Boundary Conditions by Jiqiang Jiang, Lishan Liu, Yonghong Wu

    Published 2012-01-01
    “…This paper investigates the existence of positive solutions for a class of singular p-Laplacian fourth-order differential equations with integral boundary conditions. …”
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    Article
  17. 1597

    Local Fractional Series Expansion Method for Solving Wave and Diffusion Equations on Cantor Sets by Ai-Min Yang, Xiao-Jun Yang, Zheng-Biao Li

    Published 2013-01-01
    “…Some examples are given to illustrate the efficiency and accuracy of the proposed method to obtain analytical solutions to differential equations within the local fractional derivatives.…”
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    Article
  18. 1598

    Stability and Hopf Bifurcation in a Diffusive Predator-Prey System with Beddington-DeAngelis Functional Response and Time Delay by Yuzhen Bai, Xiaopeng Zhang

    Published 2011-01-01
    “…Finally, the direction and stability of Hopf bifurcations are determined by normal form theory and center manifold reduction for partial functional differential equations.…”
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  19. 1599

    On the Exact Solutions of Nonlinear Potential Yu–Toda–Sasa–Fukuyama Equation by Different Methods by Qinghao Zhu, Jianming Qi

    Published 2022-01-01
    “…It is observed that the extended complex method and G′/G-expansion method are reliable and will be used extensively to seek for exact solutions of any other nonlinear partial differential equations (NPDEs).…”
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    Article
  20. 1600

    Wavelet-Galerkin Quasilinearization Method for Nonlinear Boundary Value Problems by Umer Saeed, Mujeeb ur Rehman

    Published 2014-01-01
    “…Quasilinearization technique is applied to linearize the nonlinear differential equation and then wavelet-Galerkin method is implemented to linearized differential equations. …”
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    Article