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52 papers · 1 filter
Fixed-Time Gradient Flows for Solving Constrained Optimization: A Unified Approach
Xinli Shi, Xiangping Xu, Guanghui Wen +1
The accelerated method in solving optimization problems has always been an absorbing topic. Based on the fixed-time (FxT) stability of nonlinear dynamical systems, we provide a uni…
Complexity of Government response to Covid-19 pandemic: A perspective of coupled dynamics on information heterogeneity and epidemic outbreak
Xiaoqi Zhang, Jie Fu, Sheng Hua +2
This study aims at modeling the universal failure in preventing the outbreak of COVID-19 via real-world data from the perspective of complexity and network science. Through formali…
Low-Complex Channel Estimation in Extra-Large Scale MIMO with the Spherical Wave Properties
Xumin Pu, Zhinan Sun, Qianbin Chen +1
This paper investigates the low-complex linear minimum mean squared error (LMMSE) channel estimation in an extra-large scale MIMO system with the spherical wave model (SWM). We mod…
Manipulation of magnetic topological textures via perpendicular strain and polarization in van der Waals magnetoelectric heterostructure
Zhong Shen, Shuai Dong, Xiaoyan Yao
Multi-functional manipulation of magnetic topological textures such as skyrmions and bimerons in energy-efficient ways is of great importance for spintronic applications, but still…
Magnetic properties of the quasi-one-dimensional S = 1 spin chain antiferromagnet BaNiTe2O7
Xiyu Chen, Yiming Gao, Meifeng Liu +14
We report a quasi-one-dimensional S = 1 spin chain compound BaNiTe2O7. This magnetic system has been investigated by magnetic susceptibility, specific heat, and neutron powder diff…
Parallel in-memory wireless computing
Cong Wang, Gong-Jie Ruan, Zai-Zheng Yang +13
Parallel wireless digital communication with ultralow power consumption is critical for emerging edge technologies such as 5G and Internet of Things. However, the physical separati…