非交换Burkholder/Rosenthal不等式II:应用
Noncommutative Burkholder/Rosenthal inequalities II: applications
摘要:
根据我们以前的工作,我们证明了$1<p<\infty$的非交换$L_p$ -空间中独立随机变量和的范数估计。这些估计推广了交换情形下的经典Rosenthal不等式。在应用中,我们得到了具有独立元素的随机矩阵的奇异值的$p$ -范数的等价性,并刻画了$2<p<\infty$的非交换$L_p$的对称子空间和酉理想.
英文摘要:
We show norm estimates for the sum of independent random variables in noncommutative $L_p$-spaces for $1<p<\infty$ following our previous work. These estimates generalize the classical Rosenthal inequality in the commutative case. Among applications, we derive an equivalence for the $p$-norm of the singular values of a random matrix with independent entries, and characterize those symmetric subspaces and unitary ideals which can be realized as subspaces of a noncommutative $L_p$ for $2<p<\infty$.
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