This paper presents a detailed analysis of finding the periodic solutions for the high order Duffing equation x^(2n) + g(x) = e(t) (n ≥ 1). Firstly, we give a constructive proof for the existence of periodi...
supported by National Natural Science Foundation of China(Grant Nos.60673023,60433020,60703025,10501017);the European Commission for TH/Asia Link/010(111084)
Focused on a variation of the euclidean traveling salesman problem (TSP), namely, the generalized traveling salesman problem (GTSP), this paper extends the ant colony optimization method from TSP to this field. By...
Supported by National Natural Science Foundation of China (Grant Nos .60673023,60433020 and 10501017);the European Commission forTH/Asia Link/010 (Grant No .111084);the Inner Mongolia Natural Science Foundation (Grant No .200711020807)
Text categorization plays an important role in data mining. Feature selection is the most important process of text categorization. Focused on feature selection, we present an improved text frequency method for filter...