Geodesic
On NSP constants of a matrix and their linear preservers
Algebra and discrete mathematics, Tome 28 (2019) no. 2, pp. 278-290

Voir la notice de l'article provenant de la source Math-Net.Ru

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.
Keywords: Null Space Property, spark of a matrix, linear preserver of a function. 
@article{ADM_2019_28_2_a10,
     author = {Marcin Skrzy\'nski},
     title = {On {NSP} constants of a matrix and their linear preservers},
     journal = {Algebra and discrete mathematics},
     pages = {278--290},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2019_28_2_a10/}
}
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Marcin Skrzyński. On NSP constants of a matrix and their linear preservers. Algebra and discrete mathematics, Tome 28 (2019) no. 2, pp. 278-290. http://geodesic.mathdoc.fr/item/ADM_2019_28_2_a10/