By two successive linear transformations,a singularly perturbed differential system with two parameters is quasi-diagonalized.The method of variation of constants and the principle of contraction map are used to prove...By two successive linear transformations,a singularly perturbed differential system with two parameters is quasi-diagonalized.The method of variation of constants and the principle of contraction map are used to prove the existence of the transformations.展开更多
基金The Natural Science Foundation of Fujian Province(S0650010)K-type Foundation of the Science and Technology Department of Fujian Province(2005K028)A-type Foundation of the Education Department of Fujian Province(JA05205)
文摘By two successive linear transformations,a singularly perturbed differential system with two parameters is quasi-diagonalized.The method of variation of constants and the principle of contraction map are used to prove the existence of the transformations.