Geodesic
Linear maps preserving matrix discriminant
Zapiski Nauchnykh Seminarov POMI, Computational methods and algorithms. Part XXXVII, Tome 534 (2024), pp. 147-194 Cet article a éte moissonné depuis la source Math-Net.Ru

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Let $\mathbb F$ be an infinite field, $\mathcal{M}_n(\mathbb F)$ be the space of all $n\times n$ matrices over $\mathbb F$. The paper provides a characterization of all the linear maps on $\mathcal{M}_n$ that preserve matrix discriminant. The Pierce result on these maps is improved. 
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A. Yurkov. Linear maps preserving matrix discriminant. Zapiski Nauchnykh Seminarov POMI, Computational methods and algorithms. Part XXXVII, Tome 534 (2024), pp. 147-194. http://geodesic.mathdoc.fr/item/ZNSL_2024_534_a6/

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