Results 81 to 90 of about 6,356,541 (351)

Manipulating Ferroelectric Topological Polar Structures with Twisted Light

Advanced Materials, EarlyView.
We demonstrate dynamic control of ferroelectric order in quasi‐2D CsBiNb2O7 using twisted ultraviolet light carrying orbital angular momentum. Our approach harnesses non‐resonant multiphoton absorption and induced strain to modulate topological of ferroelectric polarization textures.
Nimish P. Nazirkar, Viet Tran, Pascal Bassène, Atoumane Ndiaye, Julie Barringer, Jie Jiang, Wonsuk Cha, Ross Harder, Jian Shi, Moussa N'Gom, Edwin Fohtung   +10 more
wiley   +1 more source

Solving Multiobjective Fuzzy Binary Integer Linear Fractional Programming Problems Involving Pentagonal and Hexagonal Fuzzy Numbers

Journal of Mathematics
In this paper, we studied a multiobjective linear fractional programming (MOLFP) problem with pentagonal and hexagonal fuzzy numbers, while the decision variables are binary integer numbers.
Adane Akate, Getaye Fentaw
doaj   +1 more source

A Novel Reduced-Order Analytical Fault Diagnosis Model for Power Grid

IEEE Access
Power grid fault diagnosis methods based on analytical models possess advantages such as logical rigor, strong interpretability, and high applicability.
Zhuonan Lin, Yongxing Wang, Haoqian Xu, Fanrong Wei   +3 more
doaj   +1 more source

Optimal scheduling of aviation support resources for carrier based aircrafts based on integer linear programming

Zhongguo Jianchuan Yanjiu, 2019
[Objectives]In order to optimize the scheduling of the aviation support resources for carrier based aircrafts,[Methods]a mixed integer linear programming model for optimal scheduling of aviation support resources was established based on integer linear ...
Tan Dali, Wang Yunfei, Yu Lianfei, Zhu Cheng   +3 more
doaj   +1 more source

Extended Formulations in Mixed-integer Convex Programming

, 2016
We present a unifying framework for generating extended formulations for the polyhedral outer approximations used in algorithms for mixed-integer convex programming (MICP).
A Ahmadi, A Ben-Tal, H Hijazi, I Harjunkoski, K Abhishek, L Hien, M Grant, M Lubin, M Tawarmalani, MS Lobo, N Goldberg, O Günlük, OK Gupta, P Belotti, P Bonami, P Bonami, R Fletcher, RH Byrd, S Drewes, T Achterberg   +19 more
core   +1 more source

Approximation in stochastic integer programming

The annual research report, 2003
Approximation algorithms are the prevalent solution methods in the field of stochastic programming. Problems in this field are very hard to solve. Indeed, most of the research in this field has concentrated on designing solution methods that approximate the optimal solutions.
Stougie, Leen, Vlerk, Maarten H. van der
openaire   +9 more sources

Nonlocal Conduction in a Metawire

Advanced Materials, Volume 37, Issue 13, April 2, 2025.
A 1D metawire composed of twisted copper wires is designed and realized. This metamaterial exhibits pronounced effects of nonlocal electric conduction according to Ohm's law. The current at one location not only depends on the electric field at that location but also on other locations.
Julio Andrés Iglesias Martínez, Yi Chen, Ke Wang, Martin Wegener   +3 more
wiley   +1 more source

Neuromorphic Light‐Responsive Organic Matter for in Materia Reservoir Computing

Advanced Materials, EarlyView.
In this work we show that light‐responsive adaptive organic matter can store and process information at the matter level, and emulate neuromorphic functionalities such as short term memory, long term memory and visual memory. Besides demonstrating that material dynamics can be exploited for spatio‐temporal event detection and motion perception, we show
Federico Ferrarese Lupi, Mateo Rosero‐Realpe, Antonio Ocarino, Francesca Frascella, Gianluca Milano, Angelo Angelini   +5 more
wiley   +1 more source

Logic Integer Programming Models for Signaling Networks

, 2008
We propose a static and a dynamic approach to model biological signaling networks, and show how each can be used to answer relevant biological questions. For this we use the two different mathematical tools of Propositional Logic and Integer Programming.
Haus U.-U., Kathrin Niermann, Klaus Truemper, Robert Weismantel, Saez-Rodriguez J., Utz-Uwe Haus   +5 more
core   +3 more sources

Capillary‐Driven 3D Open Fluidic Networks for Versatile Continuous Flow Manipulation

Advanced Materials, EarlyView.
The capillary‐driven 3D open fluidic networks (OFNs), composed of connected polyhedral frames, enable precise, programmable, and versatile manipulation of unary, binary, and multiple continuous flows in both spatial and temporal dimensions. OFNs represent a significant leap beyond conventional microfluidics, unlocking new possibilities for selective ...
Shuangmei Wu, Siqi Sun, Jia Ye, Liqiu Wang, Yiyuan Zhang   +4 more
wiley   +1 more source