Supported by National Natural Science Foundation of China (No.60872161);Natural Science Foundation of Tianjin (No. 08JCYBJC09600)
Szasz-type operators can be constructed by a Poisson process. The purpose of this paper is to derive the converse result in connection with Szasz-type operators by Steckin-Marchaud-type inequalities and new Ditzian mo...
Supported by National Natural Science Foundation of China (No. 60872161, 10501026, 60675010 and 10626029);Natural Science Foundation of Tianjin (No. 08JCYBJC09600);China Postdoctoral Science Foundation ( No. 20070420708).
Nonlinear m-term approximation plays an important role in machine learning, signal processing and statistical estimating. In this paper by means of a nondecreasing dominated function, a greedy adaptive compression num...