Results 31 to 40 of about 334 (177)
Positive solutions of fractional differential equations at resonance on the half-line
Boundary Value Problems, 2012 This article deals with the differential equations of fractional order on the half-line. By the recent Leggett-Williams norm-type theorem due to O’Regan and Zima, we present some new results on the existence of positive solutions for the fractional ...
Yi Chen, Xianhua Tang
semanticscholar +1 more source
Advances in Nonlinear Analysis, 2014 In this article we study the existence of positive periodic solutions for a fourth-order nonlinear neutral differential equation with variable delay.
Ardjouni Abdelouaheb +2 more
doaj +1 more source
Asymptotic representations of the solutions of some type n-th order differential equations
, 2022 У данiй роботi розглядається диференцiальне рiвняння n-го порядку (r(t)u(m))(n−m) = ∑︀m k=0 pku(k), n ≥ 2, для якого знайденi умови iснування та асимптотичнi зображення розв’язкiвпридеякихумовахнафункцiї pk та функцiю r.Розв’язкитакоготипурiвнянь при m =
Карапетров, Валентин Віталійович +1 more
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Some properties of solutions to a planar system of nonlinear differential equations
, 2018 In this paper we present for the solutions of a planar system of differential equations, extremal principle, Nicolescu-type and Butlewski-type separation theorems. Some applications and examples are given. Mathematics Subject Classification (2010): 34A12,
ILEA, Veronica
core +1 more source
Frontiers Appl. Math. Stat.This study aims to address the difficulties in solving coupled generalized non-linear Burger equations using local fractional calculus as a framework. The methodology used in this work, particularly in the area of local fractional calculus, combines the ...
Ghaliah Alhamzi +3 more
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Simplifying Two Families of Nonlinear Ordinary Differential Equations
, 2017 In the paper, by virtue of techniques in combinatorial analysis, the authors simplify two families of nonlinear ordinary differential equations in terms of the Stirling numbers of the first kind.
Feng Qi (祁锋) +2 more
semanticscholar +1 more source
The jump phenomenon associated with the dynamics of the duffing equation
Physics Open, 2020 The mathematical nature of the jump phenomenon associated with the damped, harmonically forced Duffing equation is investigated, as regards the amplitude of the harmonic response of the system.
M.P. Markakis
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A Hypothetical‐Mathematical Model of Acute Myeloid Leukaemia Pathogenesis
Computational and Mathematical Methods in Medicine, Volume 11, Issue 1, Page 49-65, 2010., 2010 Acute myeloid leukaemia is defined by the expansion of a mutated haematopoietic stem cell clone, with the inhibition of surrounding normal clones. Haematopoiesis can be seen as an evolutionary tree, starting with one cell that undergoes several divisions during the expansion phase, afterwards losing functional cells during the aging‐related contraction
Andrei Cucuianu, Radu Precup
wiley +1 more source
A study on the transmission dynamics of COVID-19 considering the impact of asymptomatic infection
Journal of Biological Dynamics, 2023 The COVID-19 epidemic has been spreading around the world for nearly three years, and asymptomatic infections have exacerbated the spread of the epidemic.
Chuanqing Xu +7 more
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Mathematical Model Creation for Cancer Chemo‐Immunotherapy
Computational and Mathematical Methods in Medicine, Volume 10, Issue 3, Page 165-184, 2009., 2009 One of the most challenging tasks in constructing a mathematical model of cancer treatment is the calculation of biological parameters from empirical data. This task becomes increasingly difficult if a model involves several cell populations and treatment modalities.
Lisette de Pillis +7 more
wiley +1 more source