Results 221 to 230 of about 96,036 (260)

Iterative oscillation criteria for first-order difference equations with non-monotone advanced arguments

Journal of Applied Mathematics and Computing, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Emad R. Attia, George E. Chatzarakis
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Oscillation tests for difference equations with non-monotone retarded arguments

Applied Mathematics Letters, 2021
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Emad R. Attia, George E. Chatzarakis
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Oscillations of differential equations with several non-monotone advanced arguments

Dynamical Systems, 2015
Consider the first-order advanced differential equation of the form where qi, 1 ≤ i ≤ m are functions of non-negative real numbers, and σi, 1 ≤ i ≤ m are functions of positive real numbers such that σi(t) > t for t ≥ t0. New oscillation criteria, involving lim sup and lim inf, are established, in the case of non-monotone advanced arguments.
George E. Chatzarakis, Özkan Öcalan
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Oscillation of retarded difference equations with a non-monotone argument

Journal of Difference Equations and Applications, 2017
AbstractThis paper concerns the oscillatory behaviour of the first-order retarded difference equation of the formΔx(n)+p(n)x(τ(n))=0,n∈N0,where (p(n))n≥0 is a sequence of nonnegative real numbers and τ(n) is a (not neccesarily monotone) sequence of integers such that τ(n)≤n-1, for n∈N0 and limn→∞τ(n)=∞.
George E. Chatzarakis, I.K. Purnaras, I. P. Stavroulakis   +2 more
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Oscillation criteria for delay and difference equations with non-monotone arguments

Applied Mathematics and Computation, 2013
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I. P. Stavroulakis
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Oscillation of first-order differential equations with several non-monotone retarded arguments

Georgian Mathematical Journal, 2019
AbstractConsider the first-order linear differential equation with several non-monotone retarded argumentsx′⁢(t)+∑i=1mpi⁢(t)⁢x⁢(τi⁢(t))=0{x^{\prime}(t)+\sum_{i=1}^{m}p_{i}(t)x(\tau_{i}(t))=0},t≥t0{t\geq t_{0}}, where the functionspi,τi∈C⁢([t0,∞),ℝ+){p_{i},\tau_{i}\in C([t_{0},\infty),\mathbb{R}^{+})}, for everyi=1,2,…,m{i=1,2,\ldots,m},τi⁢(t)≤t{\tau_{i}
Hüseyin Bereketoğlu, Fatma Karakoç, Gizem S. Oztepe, I. P. Stavroulakis   +3 more
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A Survey on the Oscillation of Delay Equations with A Monotone or Non-monotone Argument

, 2018
Consider the first-order linear differential equation $$\begin{aligned} x^{\prime }(t)+p(t)x(\tau (t))=0,\;\;\;t\ge t_{0}, \end{aligned}$$ where the functions \(p,\tau \in C([t_{0,}\infty ),\mathbb {R}^{+})\), (here \( \mathbb {R}^{+}=[0,\infty )),\tau (t)\le t\) for \(t\ge t_{0}\) and \( \lim _{t\rightarrow \infty }\tau (t)=\infty .\) A survey ...
G. M. Moremedi, I. P. Stavroulakis
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Oscillation of delay difference equations with finite non-monotone arguments

International Journal of Dynamical Systems and Differential Equations, 2020
Limei Feng, Zhenlai Han
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Modeling non-monotonic properties under propositional argumentation

SPIE Proceedings, 2013
In the field of knowledge representation, argumentation is usually considered as an abstract framework for nonclassical logic. In this paper, however, we'd like to present a propositional argumentation framework, which can be used to closer simulate a real-world argumentation.
Geng Wang, Zuoquan Lin
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A Survey on the Oscillation of Differential Equations with Several Non-Monotone Arguments

Applied Mathematics & Information Sciences, 2018
G. M. Moremedi, I. P. Stavroulakis
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