papers
Publications (6)
math.NA2013
Numerical Study of Geometric Multigrid Methods on CPU--GPU Heterogeneous Computers
Chunsheng Feng, Shi Shu, Jinchao Xu +1
cs.LG2019
SVGD: A Virtual Gradients Descent Method for Stochastic Optimization
Zheng Li, Shi Shu
The paper introduces Stochastic Virtual Gradient Descent (SVGD), a memory‑efficient stochastic optimization algorithm that defines gradients via computational graphs and automatic…
#stochastic optimization#gradient descent#automatic differentiation#computational graph
cs.CR2011
Cryptanalyzing a chaos-based image encryption algorithm using alternate structure
Yu Zhang, Chengqing Li, Kwok-Wo Wong +2
physics.data-an2017
On the network analysis of the state space of discrete dynamical systems
Cheng Xu, Chengqing Li, Jinhu Lü +1
cs.CR2011
Breaking a chaotic image encryption algorithm based on perceptron model
Yu Zhang, Chengqing Li, Qin Li +2
physics.comp-ph2014
PIBM: Particulate immersed boundary method for fluid-particle interaction problems
Hao Zhang, F. Xavier Trias, Assensi Oliva +4