In this paper, by means of auxiliary functions and inequalities, we obtain some sufficient conditions of second order nonhomogeneous delay differential equation belonging to the L.S. or L.S. ∩ L.C..
By virtue of an auxiliary function with parameters m, n∈R ,we obtain some new results for quadratic integrability and boundedness of all solutions of second order nonlinear differential equation The theorems obtained...By virtue of an auxiliary function with parameters m, n∈R ,we obtain some new results for quadratic integrability and boundedness of all solutions of second order nonlinear differential equation The theorems obtained in this paper improve and generalize some existing results.展开更多
基金This research was supported by the NECC of China (03074)Shandong Province (Y2001A03).
文摘In this paper, by means of auxiliary functions and inequalities, we obtain some sufficient conditions of second order nonhomogeneous delay differential equation belonging to the L.S. or L.S. ∩ L.C..
基金Project supported by NNSF of China (19771053) NSF of Shandong (Q97A05116).
文摘By virtue of an auxiliary function with parameters m, n∈R ,we obtain some new results for quadratic integrability and boundedness of all solutions of second order nonlinear differential equation The theorems obtained in this paper improve and generalize some existing results.