Spectral sets and 3 x 3 nilpotent matrices
Spectral sets and 3 x 3 nilpotent matrices
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谱集和 3 x 3 幂零矩阵
DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
M. Crouzeix
中科院分区:
文献类型:
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作者:
M. Crouzeix
We have conjectured that the numerical range is a 2-spectral set for all bounded operators on a Hilbert space. This paper is an attempt to prove this conjecture in the special case of 3× 3 nilpotent matrices.