Search Results - "Zhang, Xu"

Journal Article

Large-scale ab initio calculations of Raman scattering spectra within time-dependent density functional perturbation theory

by Zhang, Xu Published in The Journal of chemical physics (28.06.2018)

“...We develop an ab initio approach for large-scale Raman scattering spectra simulations based on time-dependent density functional theory in conjunction with the...”

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Journal Article

Multiple creators of knowledge-intensive service networks: A case study of the Pearl River Delta city-region

by Zhang, Xu Published in Urban studies (Edinburgh, Scotland) (01.07.2018)

“...Functional differentiation between cities and the characteristics of their inter-urban networks in the emerging knowledge-intensive service economy have...”

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Journal Article

Characterization of Dynamics of a Class of Polynomial Automorphisms in ℂn

by Zhang, Xu Published in International journal of bifurcation and chaos in applied sciences and engineering (01.01.2019)

“...A kind of higher-dimensional complex polynomial mappings F : ℂ n → ℂ n is considered: f 1 ⋮ f n − 1 f n = p 1 ( z 1 ) + α 1 z 2 ⋮ p n − 1 ( z n − 1 ) + α n − 1...”

eBook

Laparoscopic and Robotic Surgery in Urology

by Zhang, Xu
2020

“...This book is a practical guide to the laparoscopic and robotic surgery technique in urology. It includes 34 chapters in three sections, which are adrenal...”

Journal Article

Constructing a Chaotic System with Any Number of Attractors

by Zhang, Xu Published in International journal of bifurcation and chaos in applied sciences and engineering (01.07.2017)

“...Applying some transformation to an autonomous system, we obtain a new system, which might keep the dynamical behavior of the original system or generate...”

Journal Article

Dynamics of a class of fractional-order nonautonomous Lorenz-type systems

by Zhang, Xu Published in Chaos (Woodbury, N.Y.) (01.04.2017)

“...The dynamical properties of a class of fractional-order Lorenz-type systems with quasi-periodic time-varying parameters are studied, where the fractional...”

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Journal Article

Dynamics of a Class of Nonautonomous Lorenz-Type Systems

by Zhang, Xu Published in International journal of bifurcation and chaos in applied sciences and engineering (01.11.2016)

“...The dynamical properties of a kind of Lorenz-type systems with time-varying parameters are studied. The time-varying ultimate bounds are estimated, and a...”

Journal Article

Regular Nonchaotic Attractors with Positive Plural

by Zhang, Xu Published in International journal of bifurcation and chaos in applied sciences and engineering (30.12.2016)

“...The study of the strange nonchaotic attractors is an interesting topic, where the dynamics are neither regular nor chaotic (the word chaotic means the positive...”

Journal Article

Dynamics of Nonautonomous Ordinary Differential Equations with Quasi-Periodic Coefficients

by Zhang, Xu Published in International journal of bifurcation and chaos in applied sciences and engineering (15.06.2017)

“...We investigate the dynamics of two types of nonautonomous ordinary differential equations with quasi-periodic time-varying coefficients and nonlinear terms...”

Journal Article

Nonlinear Robust Adaptive Tracking Control of a Quadrotor UAV Via Immersion and Invariance Methodology

by Zhao, Bo Xian, Bin Zhang, Yao Zhang, Xu Published in IEEE transactions on industrial electronics (1982) (01.05.2015)

“...This paper presents a novel asymptotic tracking controller for an underactuated quadrotor unmanned aerial vehicle using the robust integral of the signum of...”

Journal Article

Chaotic Polynomial Maps

by Zhang, Xu Published in International journal of bifurcation and chaos in applied sciences and engineering (01.07.2016)

“...This paper introduces a class of polynomial maps in Euclidean spaces, investigates the conditions under which there exist Smale horseshoes and uniformly...”

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Journal Article

Research on blurred edge information segmentation of image based on computer vision

by Xu, Zhang Published in International journal of information and communication technology (20210000)

“...In the process of image fuzzy edge information segmentation by traditional methods, the segmentation effect is not ideal, the completion time is long and the...”

Journal Article

Online and offline handwritten Chinese character recognition: A comprehensive study and new benchmark

by Zhang, Xu-Yao Bengio, Yoshua Liu, Cheng-Lin Published in Pattern recognition (01.01.2017)

“...Recent deep learning based methods have achieved the state-of-the-art performance for handwritten Chinese character recognition (HCCR) by learning...”

Journal Article

Mechanisms of adaptation and progression in idiosyncratic drug induced liver injury, clinical implications

by Dara, Lily Liu, Zhang‐Xu Kaplowitz, Neil Published in Liver international (01.02.2016)

“...In the past decade our understanding of idiosyncratic drug induced liver injury (IDILI) and the contribution of genetic susceptibility and the adaptive immune...”

Journal Article

Abrupt glacial climate shifts controlled by ice sheet changes

by Zhang, Xu Lohmann, Gerrit Knorr, Gregor Purcell, Conor Published in Nature (London) (21.08.2014)

“...During glacial periods of the Late Pleistocene, an abundance of proxy data demonstrates the existence of large and repeated millennial-scale warming episodes,...”

Journal Article

The Smale horseshoes in a class of non-invertible maps in with two-direction instability

by Zhang, Xu Published in Journal of difference equations and applications (04.05.2017)

“...We study the existence of Smale horseshoes of new type and the uniformly hyperbolic invariant sets for a class of non-invertible maps in three-dimensional...”

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