Numerical range of some doubly stochastic matrices

被引：2
|
作者：
Camenga, Kristin A. [1 ]
Rault, Patrick X. [2 ]
Rossi, Daniel J. [2 ]
Sendova, Tsvetanka [3 ]
Spitkovsky, Ilya M. [4 ]
机构：
[1] Houghton Coll, Dept Math & Comp Sci, Houghton, NY 14744 USA
[2] SUNY Coll Geneseo, Dept Math, Geneseo, NY 14454 USA
[3] Bennett Coll, Dept Math & Comp Sci, Greensboro, NC 27401 USA
[4] Coll William & Mary, Dept Math, Williamsburg, VA 23187 USA
来源：
APPLIED MATHEMATICS AND COMPUTATION | 2013年 / 221卷
关键词：
Numerical range; Doubly stochastic matrices;
D O I：
10.1016/j.amc.2013.06.011
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A classification of all possible shapes is given for numerical ranges of 4 x 4 doubly stochastic matrices. The tests determining the shape are also provided, along with illustrating examples. (C) 2013 Elsevier Inc. All rights reserved.
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页码：40 / 47
页数：8
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