Zejun Huang

most citedTurán problems for digraphs avoiding distinct walks of a given length with the same endpoints

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math.FA2023

Linear maps preserving (p,k) norms of tensor products of matrices

Zejun Huang, Nung-Sing Sze, Run Zheng

Let $m, n \geq 2$ be integers. Denote by $M_{n}$ the set of $n \times n$ complex matrices. Let $∥ \cdot ∥_{(p, k)}$ be the $(p, k)$ norm on $M_{mn}$ with $1 \leq k \leq mn$ and $2 < p < \infty$ .…