Supported by the National Natural Science Foundation of China(No.10771085)
In this paper,a system of reaction-diffusion equations arising in a nutrient-phytoplankton populations is investigated.The equations model a situation in which phytoplankton population is divided into two groups,namel...
Supported by the National Natural Science Foundation of China(Grant No.10771085)
We consider the problem of detecting the community structure in a complex network, groups of nodes with a higher-than-average density of edges connecting them. In this paper we use the simulated annealing strategy to ...
supported by NSFC(10771085);Key Lab of Symbolic Computation and Knowledge Engineering of Ministry of Education;the 985 Program of Jilin University
The main purpose of this paper is to establish the existence of multiple solutions for singular elliptic system involving the critical Sobolev-Hardy exponents and concave-convex nonlinearities. It is shown, by means o...
Supported by NSFC (10771085);Graduate Innovation Fund of Jilin University(20111034);the 985 program of Jilin University
The authors of this article study the existence and uniqueness of weak so- lutions of the initial-boundary value problem for ut = div((|u|^δ + d0)|↓△|^p(x,t)-2↓△u) + f(x, t) (0 〈 δ 〈 2). They a...