... University of Finance a nd Economics,Dalian 116025, China2Department of Mathematics, Shanghai Institute of Technology, Shanghai 200235, ChinaCorrespondence should be addressed to Hua Luo, luohuanwnu@gmail.comReceived ... ρb,withσtt,andAt holds, then there is a neighborhoodU of t such that As holds for all s ∈ U, s > t by virtue of the continuity of xΔ.4 For each t ∈ a, ρb,withρtt,andAs is ... pagesdoi:10.1155/2011/378686 Research Article On the Existence of Solutions forDynamic Boundary Value Problems underBarrier Strips ConditionHua Luo1and Yulian An 21School of Mathematics a nd Quantitative Economics, Dongbei...