Zengqi Wang
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View article: Lopsided HSS Iterative Method and Preconditioner for a class of Complex Symmetric Linear System
Lopsided HSS Iterative Method and Preconditioner for a class of Complex Symmetric Linear System Open
In this study, we propose the lopsided HSS (LHSS) iteration method for solving a class of complex symmetric indefinite systems of linear equations. This method employs an alternating iterative scheme, where each iteration entails solving t…
View article: Frontmatter
Frontmatter Open
View article: Rotated Block Diagonal Preconditioners for Navier-Stokes Control Problems
Rotated Block Diagonal Preconditioners for Navier-Stokes Control Problems Open
View article: Security Clustering Algorithm Based on Integrated Trust Value for Unmanned Aerial Vehicles Network
Security Clustering Algorithm Based on Integrated Trust Value for Unmanned Aerial Vehicles Network Open
Unmanned aerial vehicles (UAVs) network are a very vibrant research area nowadays.They have many military and civil applications.Limited bandwidth, the high mobility and secure communication of micro UAVs represent their three main problem…
View article: Numerical Solution of the Navier–Stokes Equations Using Multigrid Methods with HSS-Based and STS-Based Smoothers
Numerical Solution of the Navier–Stokes Equations Using Multigrid Methods with HSS-Based and STS-Based Smoothers Open
Multigrid methods (MGMs) are used for discretized systems of partial differential equations (PDEs) which arise from finite difference approximation of the incompressible Navier–Stokes equations. After discretization and linearization of th…
View article: A Low-Voltage Multi-Band ZigBee Transceiver
A Low-Voltage Multi-Band ZigBee Transceiver Open
This paper presents a low-voltage ZigBee transceiver covering a unique frequency band of 780/868/915/2400 MHz in 180 nm CMOS technology. The design consists of a receiver with a wideband variable-gain front end and a complex band-pass filt…
View article: Preparation and Ferroelectric Properties of PZT Multilayer Film
Preparation and Ferroelectric Properties of PZT Multilayer Film Open
The PZT multilayer films were prepared by sol-gel method. The effects of formamide content, crystallization temperature and number of layers on the microstructure and ferroelectric properties of PZT films were investigated by optical micro…
View article: An overview of the effect of sodium glucose cotransporter 2 inhibitor monotherapy on glycemic and other clinical laboratory parameters in type 2 diabetes patients
An overview of the effect of sodium glucose cotransporter 2 inhibitor monotherapy on glycemic and other clinical laboratory parameters in type 2 diabetes patients Open
SGLT2 inhibitors significantly decreased HbA1c, body weight, and the low-density lipoprotein/high-density lipoprotein ratio and were found to be safe and well tolerated in type 2 diabetes mellitus patients. Further randomized control trial…