Crouzeix's Conjecture Holds for Tridiagonal 3 x 3 Matrices with Elliptic Numerical Range Centered at an Eigenvalue
Crouzeix's Conjecture Holds for Tridiagonal 3 x 3 Matrices with Elliptic Numerical Range Centered at an Eigenvalue
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Crouzeix 猜想对于以特征值为中心的椭圆数值范围的三对角 3 x 3 矩阵成立
DOI:
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发表时间:
2017
影响因子:
1.5
通讯作者:
M. Lindström
中科院分区:
文献类型:
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作者:
Christer Glader;Mikael Kurula;M. Lindström
Crouzeix stated the following conjecture in [Integral Equations Operator Theory, 48 (2004), pp. 461-477]: For every n x n matrix A and every polynomial p, |p(A)| le 2 max_z in W(A)|p(z)|, where W(A...