数论  

出　　处：《中国学术期刊文摘》2007年第23期8-8,共1页Chinese Science Abstracts(Chinese Edition)

摘　　要：环Z／p^kZ上矩阵特殊积广义逆的研究；闭集格的极小集刻画；关于无k次幂因子数的上界估计；点边邻域完整度为1，2的图PageRank算法的改进.Researches into generalized inverse matrices of special product of matrices over Z/p^kZ;Minimal sets characterizations of closed-set lattice; On the up bound estimation of the k-power free numbers;Graph of vertex neighbor-integrity and edge vertex neighbor-integrity with 1, 2;Improvement of N-step Pagerank algorithm.

关 键 词：PAGERANK算法 无k次幂因子数 数论 邻域完整度 上界估计 广义逆 极小集 闭集格 

分 类 号：O156.4[理学—数学]