Southeast University

About: Southeast University is a education organization based out in Nanjing, China. It is known for research contribution in the topics: Computer science & MIMO. The organization has 66363 authors who have published 79434 publications receiving 1170576 citations. The organization is also known as: SEU.

Stochastic Synchronization of Complex Networks With Nonidentical Nodes Via Hybrid Adaptive and Impulsive Control

Abstract: In this paper, the global exponential synchronization of delayed complex dynamical networks with nonidentical nodes and stochastic perturbations is studied. By combining adaptive control and impulsive control schemes, the considered network can be synchronized onto any given goal dynamics. The adaptive control is discontinuous and can overcome the unknown difference between dynamical nodes and goal system. As for the impulsive control, the concept named “average impulsive interval” with “elasticity number” of impulsive sequence is utilized to get less conservative synchronization criterion. Numerical simulations are given to show the effectiveness and less conservativeness of the theoretical results.

Resource Structuring or Capability Building? An Empirical Study of the Business Value of Information Technology

Abstract: This paper examines two ways to create business value of information technology BVIT: resource structuring and capability building. We develop a research model positing that IT resources and IT capabilities enhance a firm's performance by providing support to its competitive strategies and core competencies, and the strengths of these supports vary in accord with environmental dynamism. The model is empirically tested using data collected from 296 firms in China. It is found that IT resources generate more business effects in stable environments than in dynamic environments, while IT capabilities generate more business effects in dynamic environments than in stable environments. The results suggest that the BVIT creation mechanism in stable environments is primarily resource structuring while the mechanism in dynamic environments is primarily capability building.

Observation of the Identical Rigidity Dependence of He, C, and O Cosmic Rays at High Rigidities by the Alpha Magnetic Spectrometer on the International Space Station

Abstract: We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×106 helium, 8.4×106 carbon, and 7.0×106 oxygen nuclei collected by the Alpha Magnetic Spectrometer (AMS) during the first five years of operation. Above 60 GV, these three spectra have identical rigidity dependence. They all deviate from a single power law above 200 GV and harden in an identical way.