In this paper, we study a mathematical model of electron beam focusing system. We prove the existence of periodic solutions to the model using homotopy method.
基金supported by the Fundamental Research Funds for the Central Universities of China (2010LKSX07)the Science Foundation of China University of Mining and Technology (0K4066)
文摘In this paper, we study a mathematical model of electron beam focusing system. We prove the existence of periodic solutions to the model using homotopy method.