摘要
In this paper,we propose a bound for ratio of the largest eigenvalue and second largest eigenvalue in module for a higher-order tensor.From this bound,one may deduce the bound of the second largest eigenvalue in module for a positive tensor,and the bound can reduce to the matrix cases.
基金
the National Natural Science Foundation of China(Nos.11271144 and 11671158)
The third author was supported in part by University of Macao(No.MYRG2015-00064-FST).
