Results 21 to 30 of about 96,036 (260)

Improved iterative oscillation tests for first-order deviating differential equations [PDF]

open access: yesOpuscula Mathematica, 2018
In this paper, improved oscillation conditions are established for the oscillation of all solutions of differential equations with non-monotone deviating arguments and nonnegative coefficients.
George E. Chatzarakis, Irena Jadlovská
doaj   +1 more source

Oscillations of equations caused by several deviating arguments [PDF]

open access: yesOpuscula Mathematica, 2019
Linear delay or advanced differential equations with variable coefficients and several not necessarily monotone arguments are considered, and some new oscillation criteria are given.
George E. Chatzarakis
doaj   +1 more source

Concentration-Compactness Principle for Trudinger–Moser’s Inequalities on Riemannian Manifolds and Heisenberg Groups: A Completely Symmetrization-Free Argument

open access: yesAdvanced Nonlinear Studies, 2021
The concentration-compactness principle for the Trudinger–Moser-type inequality in the Euclidean space was established crucially relying on the Pólya–Szegő inequality which allows to adapt the symmetrization argument.
Li Jungang, Lu Guozhen, Zhu Maochun
doaj   +1 more source

Non-Monotonic Inference Properties for Assumption-Based Argumentation [PDF]

open access: yes, 2015
Cumulative Transitivity and Cautious Monotonicity are widely considered as important properties of non-monotonic inference and equally as regards to information change. We propose three novel formulations of each of these properties for Assumption-Based Argumentation (ABA)—an established structured argumentation formalism, and investigate these ...
Čyras, K, Toni, F
openaire   +2 more sources

Examining the modelling capabilities of defeasible argumentation and non-monotonic fuzzy reasoning [PDF]

open access: yesKnowledge-Based Systems, 2021
Knowledge-representation and reasoning methods have been extensively researched within Artificial Intelligence. Among these, argumentation has emerged as an ideal paradigm for inference under uncertainty with conflicting knowledge. Its value has been predominantly demonstrated via analyses of the topological structure of graphs of arguments and its ...
Luca Longo   +2 more
openaire   +2 more sources

Oscillations in deviating difference equations using an iterative technique

open access: yesJournal of Inequalities and Applications, 2017
The paper deals with the oscillation of the first-order linear difference equation with deviating argument and nonnegative coefficients. New sufficient oscillation conditions, involving limsup, are given, which essentially improve all known results ...
George E Chatzarakis, Irena Jadlovská
doaj   +1 more source

Oscillations of differential equations generated by several deviating arguments

open access: yesAdvances in Difference Equations, 2017
Sufficient conditions, involving limsup and liminf, for the oscillation of all solutions of differential equations with several not necessarily monotone deviating arguments and nonnegative coefficients are established.
George E Chatzarakis, Tongxing Li
doaj   +1 more source

An Optimal Control Formulation of Pulse-Based Control Using Koopman Operator [PDF]

open access: yes, 2018
In many applications, and in systems/synthetic biology, in particular, it is desirable to compute control policies that force the trajectory of a bistable system from one equilibrium (the initial point) to another equilibrium (the target point), or in ...
Ernst, Damien   +2 more
core   +3 more sources

On monotone circuits with local oracles and clique lower bounds [PDF]

open access: yes, 2018
We investigate monotone circuits with local oracles [K., 2016], i.e., circuits containing additional inputs $y_i = y_i(\vec{x})$ that can perform unstructured computations on the input string $\vec{x}$. Let $\mu \in [0,1]$ be the locality of the circuit,
Krajicek, Jan, Oliveira, Igor C.
core   +2 more sources

Analysis of the bulk creep influence on stress-strain curves under tensile loadings at constant rates and on Poisson's ratio evolution based on the linear viscoelasticity theory

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2019
The Boltzmann–Volterra linear constitutive equation for isotropic non-aging viscoelastic materials is studied analytically in order to elucidate its abilities to provide a qualitative simulation of rheological effects related to different behavior types ...
Andrew Vladimirovich Khokhlov
doaj   +3 more sources

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