P_((ρ,σ))-sets and its Random Characteristics
YU Xiu-qing · 2010
P-sets(packet sets) is a pair of sets composed of internal P-set and outer P-set,which has dynamic characteri-stics.The dynamic characteristics are got by element transfer that has random characteristics.Based on it this paper presented concepts of P(ρ,σ)-sets,gave its structure and proved that P(ρ,σ)-sets is the general case of P-sets,while P-sets is the special case of P(ρ,σ)-sets.The paper discussed random and dynamic characteristics of P(ρ,σ)-sets,and gave random relation theorems among internal P(ρ,σ)-set,outer P(ρ,σ)-set and element transfer probability,and their applications.