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The norm of a skew polynomial. (English) Zbl 1506.16030

Inspired by the criterion of irreducibility of skew polynomials over a finite field given in [X. Caruso and J. Le Borgne, J. Symb. Comput. 79, Part 2, 411–443 (2017; Zbl 1373.16046)], this paper investigates some situations where a norm function from a skew polynomial ring over a division ring to a suitable commutative polynomial ring gives information on the factorizations of skew polynomials.

MSC:

16S36 Ordinary and skew polynomial rings and semigroup rings

Citations:

Zbl 1373.16046

References:

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[3] Gòmez-Torrecillas, J.; Lobillo, FJ; Navarro, G., Computing the bound of an Ore polynomial, App. Factor. J. Symbolic Comput., 92, 269-297 (2019) · Zbl 1461.16030 · doi:10.1016/j.jsc.2018.04.018
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