ON THE ALGEBRAIC MULTIPLICITY AND INDEX OF THE SPECTRAL RADIUS OF THE ITERATIVE MATRIX  

作　　者：张谋成 黎稳 

机构地区：[1]Department of Mathematics, South China Normal University, Guangzhou 510631, PRC

出　　处：《Chinese Science Bulletin》1992年第14期1227-1228,共2页

摘　　要：A matrix A∈Rⁿⁿ is called an M-matrix if A = sI- B, where B≥0 and s≥ρ（B）, the spectral radius of B. By Γ（A） we denote the directed graph associated with a matrix A. The reflexive-transitive closure of F（A） is defined to be = △∪Γ（A）∪Γ²（A）∪…, where symbol △ denotes the diagonal graph.

关 键 词：RADIUS DIAGONAL symbol CLOSURE ALGEBRAIC iterative MULTIPLICITY directed RADIUS ANSWER 

分 类 号：N[自然科学总论]