On NSP constants of a matrix and their linear preservers

We collect some basic properties of NSP constants of a matrix, discuss an additive behavior of the spark, and prove two theorems characterizing linear endomorphisms which preserve the NSP constants.

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Bibliographic Details
Date:2020
Main Author: Skrzyński, Marcin
Format: Article
Language:English
Published: Lugansk National Taras Shevchenko University 2020
Subjects:
Online Access:https://admjournal.luguniv.edu.ua/index.php/adm/article/view/1138
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Journal Title:Algebra and Discrete Mathematics

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Algebra and Discrete Mathematics
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Summary:We collect some basic properties of NSP constants of a matrix, discuss an additive behavior of the spark, and prove two theorems characterizing linear endomorphisms which preserve the NSP constants.