摘要
运用Leray-Schauder度的理论研究了带紧扰动的增生算子的特征值问题,并得到了正、负的特征值.所得结果改进并推广了Guan和Kartsatos的某些结果,他们只是得到了正的特征值.
By using Leray-Schauder degree,some results of the eigenvalue problem for accretive operators with compact perturbations are given.These results which have positive and negative eigenvalue improve and generalize those given by Guan and Kartsatos which only have positive ones.
出处
《广西师范大学学报(自然科学版)》
CAS
2004年第2期37-40,共4页
Journal of Guangxi Normal University:Natural Science Edition
基金
广西青年科学基金资助项目(0007002)