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#### Keywords

Additive maps, rank-1 preservers, Hessenberg matrices

#### Abstract

Let $H_{n}(\mathbb{F})$ be the space of all $n\times n$ upper Hessenberg matrices over a field~$\mathbb{F}$, where $n$ is a positive integer greater than two. In this paper, surjective additive maps preserving rank-$1$ on $H_{n}(\mathbb{F})$ are characterized.

abs_vol35_pp24-34.pdf (116 kB)
Abstract

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