supported by the Natural Science Foundation of Fujian Province(2014J01008,2012J05007)
In this paper,we consider a two dimensional Gilpin-Ayala competition system with the effect of toxic substances.We prove that one of components is driven to extinction while the other one is stable under some conditio...
supported partially by the National Natural Science Foundation of China(Nos.11226236 and 11301255);the Natural Science Foundation of Fujian Province of China(No.2012J05007);the Science and Technology Project of the Education Bureau of Fujian,China(Nos.JA13246 and JK2012037).
Given an undirected graph with edge weights,the max-cut problem is to find a partition of the vertices into twosubsets,such that the sumof theweights of the edges crossing different subsets ismaximized.Heuristics base...