Results 51 to 60 of about 33,056 (296)

Oscillation Criteria of Second-Order Dynamic Equations on Time Scales

, 2021
In this paper, we consider the oscillation behavior of the following second-order nonlinear dynamic equation. λ(s)Ψ1φΔ(s)y(φ(s))ΔΔ+η(s)Φ(y(τ(s)))=0,s∈[s0,∞)T.
Jing-Feng Tian, Shi-Pu Liu, Ya-Ru Zhu, Zhong-Xuan Mao   +3 more
core   +1 more source

Powering Nanocrystal‐Based Heat Engines With Light‐Emitting Metasurfaces That Influence Their Temperature

Advanced Functional Materials, EarlyView.
Metasurfaces and other structured photonic environments can dramatically modify the absorption and/or light emission of semiconductors. However, the consequences of these changes on the temperature of the system are not well understood. The authors address this problem for colloidal nanocrystals and leverage their findings to convert light into ...
Hugo Kowalczyk, Yihao Yuan, Augustin Caillas, Amel Saidoun, Roméo Bonnet, Pascal Filloux, Emmanuel Lhuillier, Aloyse Degiron   +7 more
wiley   +1 more source

Oscillation criteria for delay difference equations

Electronic Journal of Differential Equations, 2001
This paper is concerned with the oscillation of all solutions of the delay difference equation $$ x_{n+1}-x_n+p_nx_{n-k}=0, quad n=0,1,2,dots $$ where ${p_n}$ is a sequence of nonnegative real numbers and $k$ is a positive integer.
Jianhua Shen, I. P. Stavroulakis
doaj  

Oscillation Criteria for Nonlinear Third-Order Delay Dynamic Equations on Time Scales Involving a Super-Linear Neutral Term

Fractal and Fractional
In the sense of an arbitrary time scale, some new sufficient conditions on oscillation are presented in this paper for a class of nonlinear third-order delay dynamic equations involving a local fractional derivative with a super-linear neutral term.
Qinghua Feng, Bin Zheng
doaj   +1 more source

New Results for Kneser Solutions of Third-Order Nonlinear Neutral Differential Equations

Mathematics, 2020
In this paper, we consider a certain class of third-order nonlinear delay differential equations r w ″ α ′ v + q v x β ς v = 0 , for v ≥ v 0 , where w v = x v + p v x ϑ v .
Osama Moaaz, Belgees Qaraad, Rami Ahmad El-Nabulsi, Omar Bazighifan   +3 more
doaj   +1 more source

Oscillation of Neutral Differential Equations with Damping Terms

Mathematics, 2023
Our interest in this paper is to study and develop oscillation conditions for solutions of a class of neutral differential equations with damping terms. New oscillation criteria were obtained by using Riccati transforms. The criteria we obtained improved
Ioannis Dassios, Ali Muhib, Sobhy A. A. El-Marouf, Sayed K. Elagan   +3 more
doaj   +1 more source

Soft Neural Interfaces for Circuit‐Level Analysis of Magnetogenetic Deep Brain Stimulation in Parkinson's Disease Models

Advanced Healthcare Materials, EarlyView.
ABSTRACT Magnetogenetic deep brain stimulation (MG‐DBS) represents a wireless neuromodulation that has demonstrated long‐lasting behavioral benefits in Parkinson's disease models. However, the circuit‐level mechanisms underlying these therapeutic effects have remained uncharacterized due to limitations of conventional neural interfaces.
Jakyoung Lee, Yeongdo Lee, Enji Kim, Hunkyu Seo, Myoungjae Oh, Hanho Joo, Somin Lee, Jae‐Hyun Lee, Hyun Ho Jung, Minsuk Kwak, Jang‐Ung Park   +10 more
wiley   +1 more source

Oscillation criteria for a class of nonlinear partial differential equations

Electronic Journal of Differential Equations, 2002
This paper presents sufficient conditions on the function $c(x)$ to ensure that every solution of partial differential equation $$ sum_{i=1}^{n}{partial over partial x_i} Phi_{p}({partial u over partial x_i})+B(x,u)=0, quad Phi_p(u):=|u|^{p-1}mathop{ m ...
Robert Marik
doaj  

Nonlinear Differential Equations with Distributed Delay: Some New Oscillatory Solutions

Mathematics, 2022
The oscillation of a class of fourth-order nonlinear damped delay differential equations with distributed deviating arguments is the subject of this research.
Barakah Almarri, Ali Hasan Ali, António M. Lopes, Omar Bazighifan   +3 more
doaj   +1 more source

Oscillation criteria for nonlinear matrix differential equations

, 1970
Oscillation criteria are established for nonlinear matrix differential equations of the form [ R ( t ) U ′ ] ′ + F ( t ,
Kurt Kreith
core   +1 more source