Results 21 to 30 of about 57 (54)

Averaging method in optimal control problems for integro-differential equations

open access: yesOpen Mathematics
The averaging method is applied to the study of optimal control problems for systems of integro-differential equations with rapidly oscillating coefficients and a small parameter.
Lakhva Roksolana   +3 more
doaj   +1 more source

AVersatile Spectral Matrix Collocation Method for Tackling Bratu, Riccati, and Higher Order Linear and Nonlinear Differential Equations Containing Delay Variables

open access: yes
 This study presents a numerical matrix collocation method for solving Bratu equations, Riccati equations, and high-order linear/nonlinear differential equations with delay variables—all of which hold significant importance in the literature ...
Baykuş Savaşaneril, Nurcan   +1 more
core   +1 more source

Oscillation criteria for third-order semi-canonical differential equations with unbounded neutral coefficients

open access: yes
In this paper, we investigate the oscillatory behavior of solutions to a class of third-order differential equations of the form Lz(t) + f (t)yβ (σ(t)) = 0, where Lz(t) = (p(t)(q(t)zt(t))t)t is a semi-canonical operator and z(t) = y(t) + g(t)y(τ (t ...
THANDAPANI, Ethiraju   +3 more
core   +1 more source

On the Oscillatory Properties of Higher-Order Neutral Systems: Extensions and Applications

open access: yes
In this study, we analyze the oscillatory behavior of solutions to a class of second-order non-canonical neutral differential equations. We first identify and correct an error present in a previously published criterion in the literature, demonstrating ...
S. Sripriya, N. Prabaharan, M. Nila
core   +1 more source

Oscillation results for third order nonlinear delay dynamic equations on time scales

open access: yes, 2011
In this paper, we consider the third order nonlinear delay dynamic equations (a (t) { [ r (t) x ? (t) ] ?} ? ? + f (t,x ( (t) ) ) = 0, on a time scale T, where ?
Husna Zayadi
core  

Resolving the Transportation Problem with Hexagonal Intuitionistic Fuzzy Numbers

open access: yes, 2023
karthikeyan N   +2 more
core   +1 more source

On solutions of third order nonlinear differential equations

open access: yesOpen Mathematics, 2006
Mojsej Ivan, Ohriska Ján
doaj   +1 more source

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