论文信息 - On zero-trace matrices - 字舞流文

On zero-trace matrices

Let A be an n × n complex matrix, and let 1 ⩽ p < ∞. It is shown that tr A = 0 if and only if ‖I + zA‖p ⩾ nsol1p for all zϵC. Some related characterizations are also given.

Fuad Kittaneh | F. Kittaneh

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