A Note on Cyclic Gradients
A Note on Cyclic Gradients
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关于循环梯度的注意事项
DOI:
10.1512/iumj.2000.49.2077
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发表时间:
2000
期刊:
影响因子:
--
通讯作者:
D. Voiculescu
中科院分区:
文献类型:
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作者:
D. Voiculescu
Simple necessary and sufficient conditions for a $n$-tuple of noncommutative polynomials to be a cyclic gradient are given and similarly for a noncommutative polynomial to have a vanishing cyclic gradient. Connections with free probability are explained.