Supported by the National Natural Science Foundation of China (Grant No.10671022);the Research Foundation for Doctor Programme (Grant No.20060027023)
A sufficient condition is obtained for the minimality of the complex exponential system E(A, M) = {z^le^λnz: l = 0, 1,,.., mn - 1; n = 1, 2,...} in the Banaeh space La^p consisting of all functions f such that f^...
Supported by NatiOnal Natural Science Foundation of China (Grant No. 10671022) and Doctoral Programme Foundation of Institute of Higher Education of China (Grant No. 20060027023)
It is shown that the curvature function satisfies a nonlinear evolution equation under the general curve shortening flow and a detailed asymptotic behavior of the closed curves is presented when they contract to a poi...
Supported by the National Natural Science Foundation of China (Grant No.10671022);the Research Fundfor the Doctoral of Higher Education (Grant No.20060027023)
A necessary and sufficient condition is obtained for the incompleteness of complex exponential system in the weighted Banach space Lαp = {f:∫+∞∞ |f(t)e-α(t)|pdt +∞},where 1 ≤ p +∞ and α(t) is a we...