【摘要】 对于拟线性的奇摄动系统来说,当退化周期解非孤立时,已有文献[2—4]进行了讨论。本文在另一类条件下讨论了这一问题,而这些条件可将一些“奇异”情形包括在内,且对于这些“奇异”情形还尚未见到有人讨论。更多还原

【Abstract】 In this paper we discuss a quasilinear singularly perturbed system under conditions different from these in [2--4] where it is assumed that a periodic solution of the degenerate system is non-isolated. It is worth to point out that conditions in this paper can include some "singular" cases, and we have not seen any people discuss the "singular" case before.更多还原