摘要
关于弱半可微映象方程的几个问题１）杨书郎（厦门大学系统科学系，３６１００５）１）本文部分内容的摘要已刊登在《科学通报》１９９０年第１７期上．１９９１年１月２３日收到．一、引言在带锥的（Ｂ）空间单值映象的研究中，适当意义的可微性概念已逐步被引入，并作为...
ABSTRACTIn this paper, the weakly semidifferentiability, the weakly semiderivative ofmappings and the fixed point index for a class of 1-set contractions are introduced,and applied to the study of problem regarding positive solutions, the multiple positive solutions to the equation concerned, and the positive eigenvalues and eigenvectors.Also, improvements and developments of some results by Petryshyn, Legget andWilliams, Amann, Edmunds and others are presented in the paper.
出处
《系统科学与数学》
CSCD
北大核心
1994年第4期289-300,共12页
Journal of Systems Science and Mathematical Sciences
