Some properties of characteristic polynomials, eigenvalues, and eigenvectors of the Wilkinson matrices W+2n+1 and W-2n+1 are presented. It is proved that the ei
Extended warranty has recently obtained increasing attention from both manufacturers and customers in China. In this paper,given the reality of China, two types
Load-balance is an important issue in wireless sensor networks (WSNs), especially in WSNs with hierarchical structure. Energy consumed unevenly will bring the p