MARKOV PRODUCT OF POSITIVE DEFINITE KERNELS AND APPLICATIONS TO Q-MATRICES OF GRAPH PRODUCTS

被引:5
|
作者
Obata, Nobuaki [1 ]
机构
[1] Tohoku Univ, Grad Sch Informat Sci, Sendai, Miyagi 9808579, Japan
基金
日本学术振兴会;
关键词
positive definite kernel; Markov product; Q-matrix; direct product graph; star graph; comb graph; free product graph; LAPLACIANS; OPERATORS;
D O I
10.4064/cm122-2-2
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We show positivity of the Q-matrix of four kinds of graph products: direct product (Cartesian product), star product, comb product, and free product. During the discussion we give an alternative simple proof of the Markov product theorem on positive definite kernels.
引用
收藏
页码:177 / 184
页数:8
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