Applied Mathematics and Mechanics (English Edition) ›› 1986, Vol. 7 ›› Issue (2): 139-146.
李贵华
Li Gui-hua
摘要: The present paper continues the pansystems research, on fixed suhsi is. Unier ihe pansystems framework it gives the existence criterion of I-type fixed subsets, and the theorems about the relations between the classes of reflexive and equivalent relations and fixed subsets; introduces the concept of fixpoints of binary relations existence theorems about fixpoints for a kind of panveeighted network.