A class of M-matrices whose graphs are trees

作者：Martinez, S; San Martin, J; Zhang, XD^*

来源：Linear and Multilinear Algebra, 2004, 52(5): 303-319.

DOI：10.1080/03081080410001667816

• generalized ultrametric matrix
• tree
• inverse M-matrix
• M-matrix

In this article, we characterize generalized ultrametric matrices whose inverses are tree-diagonal. This generalizes the results of McDonald, Nabben, Neumann, Schneider and Tsatsomeros for tri-diagonal matrices.

• 出版日期2004-10
• 单位上海交通大学