Inequalities for unitarily invariant norms and singular values
Inequalities for unitarily invariant norms and singular values
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DOI:
10.1016/j.laa.2011.11.030
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发表时间:
2012-05
影响因子:
0.2
通讯作者:
L. Zou
中科院分区:
文献类型:
--
作者:
L. Zou
Let Mm, n be the space of m× n complex matrices and Mn= Mn, n. A norm· is called unitarily invariant norm if UAV= A for all A∈ Mn and for all unitary matrices U, V∈ Mn. Two classes of unitarily invariant norms are especially important. The first is the class of Ky Fan k-norm·(k), defined as