Results 111 to 120 of about 542,997 (336)

FDM for Elliptic Equations with Bitsadze-Samarskii-Dirichlet Conditions

Abstract and Applied Analysis, 2012
A numerical method is proposed for solving nonlocal boundary value problem for the multidimensional elliptic partial differential equation with the Bitsadze-Samarskii-Dirichlet condition.
Allaberen Ashyralyev, Fatma Songul Ozesenli Tetikoglu   +1 more
doaj   +1 more source

Local‐to‐Nonlocal Second‐Harmonic Generation from Electrically Tunable Intersubband Polaritonic Metasurfaces

Advanced Science, EarlyView.
A local‐to‐nonlocal SHG process is demonstrated on an electrically tunable metasurface, combining an LSPR at the FF with a TM‐GMR at the SH to achieve independent dual tunability. Through modal‐overlap engineering of the proposed scheme, a high‐χ(2) MQW meta‐atom delivers strong nonlinearity while achieving 2‐DoF SH control with minimal trade‐offs ...
Jaesung Kim, Hyeongju Chung, Seongjin Lee, Gerhard Boehm, Mikhail A. Belkin, Jongwon Lee   +5 more
wiley   +1 more source

A Caputo–Fabrizio fractional differential equation model for HIV/AIDS with treatment compartment

Advances in Differential Equations, 2019
In recent years, many new definitions of fractional derivatives have been proposed and used to develop mathematical models for a wide variety of real-world systems containing memory, history, or nonlocal effects.
Elvin J. Moore, Sekson Sirisubtawee, S. Koonprasert   +2 more
semanticscholar   +1 more source

Existence results for some integro-differential equations with state-dependent nonlocal conditions in Fréchet Spaces [PDF]

, 2020
Mamadou Abdoul Diop, Kora Hafiz Bete, Reine Kakpo, Carlos Ogouyandjou   +3 more
openalex   +1 more source

Photonic Time Crystals and Time‐Varying Electromagnetic Metamatter: A New Direction for Ultrafast Tunable Photonic and Microwave Materials and Devices

Advanced Science, EarlyView.
Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel, Shriram Ramanathan, Ronald P. Jenkins, Michael J. Carter   +3 more
wiley   +1 more source

Nontrivial solutions of fourth order ordinary differential equations with nonlocal three-point boundary conditions [PDF]

, 2022
Johnny Henderson, R Agarwal, C Bai, Z Bai, H Wang, E, R Agarwal, V Ertrk, F Geng, D Zhu, Q Lu, J Graef, J Henderson, B Yang, J Graef, C Qian, B Yang, C Gupta, J Henderson, J Henderson, J Henderson, J Henderson, B Karna, B Lawrence, A Lakoud, L Zenkoufi, R Ma, H Wang, R Ma, J Zhang, S Fu, D O'regan, J Schroder, J Sun, Y Sun, C Zhu, Z Wei, Y Yang, Q Yao, Q Yao, K Zhang, C Wang   +41 more
openalex   +1 more source

Selective Confinement by a COF‐Derived Sub‐Nanoporous Interface for High‐Performance CoF2 Thermal Battery Cathodes

Advanced Science, EarlyView.
Dissolution and shuttling of TMF cathodes hinders high‐voltage thermal batteries. A novel selective confinement strategy using a sub‐nanoporous COF‐derived carbon interface (0.54 nm pores) on CoF2 suppresses cathode material shuttling. Size‐selective confinement blocks large dissolved ions (∼0.8 nm) while allowing Li⁺ passage, enhancing thermal battery
Mengfan Xu, Jun Zhang, Lili Zhao, Ying Chu, Furui Luo, Xinping Cao, Shengnan Guo, Xueying Wang, Yongping Zhu, Song Wang   +9 more
wiley   +1 more source

Advancing Efficient Error Reduction in DNA Data Storage Systems with Deep Learning‐Based Denoising Models

Advanced Intelligent Discovery, EarlyView.
Deep learning‐based denoising models are applied to DNA data storage systems to enhance error reduction and data fidelity. By integrating DnCNN with DNA sequence encoding methods, the study demonstrates significant improvements in image quality and correction of substitution errors, revealing a promising path toward robust and efficient DNA‐based ...
Seongjun Seo, Anshula Tandon, Nguyen Kim Uyen, Quoc Nam Le, Jee‐Hyong Lee, Sung Ha Park   +5 more
wiley   +1 more source

Nonlocal integro-multistrip-multipoint boundary value problems for $ \overline{\psi}_{*} $-Hilfer proportional fractional differential equations and inclusions

, 2023
Sotiris K. Ntouyas, Bashir Ahmad, Jessada Tariboon   +2 more
openalex   +1 more source

Study of Nonlocal Boundary Value Problem for the Fredholm–Volterra Integro-Differential Equation [PDF]

, 2022
K. R. Raslan, Khalid K. Ali, Reda Gamal Ahmed, Hind K. Al-Jeaid, Amira Abd‐Elall Ibrahim   +4 more
openalex   +1 more source