Results 71 to 80 of about 1,327 (253)

To the Solution of Loaded Differential Equations with Nonlocal Conditions

Известия Иркутского государственного университета: Серия "Математика"
We investigate a system of linear ordinary differential equations containing point and integral loadings with nonlocal boundary conditions. Boundary conditions include integral and point values of the unknown function. An essential feature of the problem
V.M. Abdullaev
doaj   +1 more source

Nitrogen‐Site Isomerism Unlocks Exciton Dissociation in Vinylene‐Linked COF‐Based Photocatalysts

EcoEnergy, EarlyView.
Two regioisomeric vinylene‐linked covalent organic frameworks (COFs) constructed from diazine units with different nitrogen positions are developed for photocatalytic hydrogen evolution reaction (HER). Although structurally similar, the isomeric COFs exhibit distinct electron distribution and charge‐separation behaviors, leading to a more than twofold ...
Ming Wang, Zhongliang Wen, Chengbo Zhang, Wei Wang, Yaling Li, Xiaofang Su, Rached Ousji, Yanqiong Luo, Muhammad Imran Anwar, Rengui Li, Yanan Gao   +10 more
wiley   +1 more source

On the class of pointwise and integrally loaded differential equations

Қарағанды университетінің хабаршысы. Математика сериясы
We investigate a system of linear ordinary differential equations containing point and integral loadings with nonlocal boundary conditions. Boundary conditions include integral and point values of the unknown function.
K.R. Aida-zade, V.M. Abdullayev
doaj   +1 more source

A Self‐Enhanced Tandem Catalytic System for Olefin‐to‐Diol Conversion Powered by Single‐Atom Fe Catalysts With In Situ Generated Acid

EcoEnergy, EarlyView.
A single‐atom iron catalyst with well‐defined Fe–N4 sites enables a tandem epoxidation‐hydrolysis process for converting terminal olefins to 1,2‐diols. The in situ‐generated isobutyric acid drives the hydrolysis step, affording broad substrate scope and excellent recyclability.
Tao‐Tao Liu, Shuai‐Long Yang, Xiao‐Hui Huang, Jun Liang, Peng‐Chao Shi, Rui Xu, Yuan‐Biao Huang, Rong Cao   +7 more
wiley   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam, Sajjad Ali, Pir Muhammad Ismail, ABM Sharif Hossain   +3 more
wiley   +1 more source

On the nonlocal boundary value problem for the elliptic differential equations with integral type Samarskii-Ionkin conditions

Современная математика: Фундаментальные направления
The present paper is devoted to the study of the abstract nonlocal boundary value problem with integral type Samarskii–Ionkin conditions for the differential equation of elliptic type \[\hspace{-6em} -u''(t)+Au(t)=f(t)\quad (0\leq t\leq T),\quad u\left(
Allaberen Ashyralyev, Ayman Hamad
doaj   +1 more source

Boundary value problems of fractional differential equations with nonlocal and integral boundary conditions

International Journal of Advanced Engineering Research and Science, 2021
John Fiifi Essel, Lingling Zhang, Emmanuel Addai   +2 more
openaire   +1 more source

Assessing and Explaining Human–Nature Coordination at the County Scale in China: Combining an Interpretable Spatiotemporal Graph Neural Network and Difference‐In‐Differences

Land Degradation &Development, EarlyView.
ABSTRACT Coordinating high‐intensity human activities with fragile ecosystems remains a major challenge for global sustainability. Accurate assessment of human–nature coordination (HNC) is critical, yet county‐level variations, underlying drivers, and responses to ecological zoning have seldom been examined simultaneously within a unified framework. We
Qi Liu, Yirong Fan, Mengjuan Li, Bo Li, Jiajun Qiao   +4 more
wiley   +1 more source

Existence and Uniqueness Results for Hadamard-Type Fractional Differential Equations with Nonlocal Fractional Integral Boundary Conditions

Abstract and Applied Analysis, 2014
We study the existence and uniqueness of solutions for a fractional boundary value problem involving Hadamard-type fractional differential equations and nonlocal fractional integral boundary conditions. Our results are based on some classical fixed point
Phollakrit Thiramanus, Sotiris K. Ntouyas, Jessada Tariboon   +2 more
doaj   +1 more source

Quantization of Polaritons Confined in Dielectric Structures

Laser &Photonics Reviews, EarlyView.
This study addresses the limitations of the Hopfield model of strong light‐matter coupling in the case of structured dieletrics. A method to derive quantum models in the polariton basis using Bogoliubov transformation and third quantization is introduced, demonstrating how to boost interaction strength and engineer nonlocal interactions for strongly ...
Amir Rahmani, Dogyun Ko, Maciej Dems, Andrzej Opala, Michał Matuszewski   +4 more
wiley   +1 more source