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Monic divisors with canonical diagonal form \(\mathrm{diag}(1,\dots,1, \varphi(x),\dots,\varphi(x))\) of polynomial matrices over an infinite field. (Ukrainian. English summary) Zbl 1297.15016

Summary: Necessary and sufficient conditions existences of monic divisors with canonial diagonal form \(\mathrm{diag}(1,\dots,1,\varphi(x),\dots,\varphi(x))\) of polynomial matrices over an infinite field are established.

MSC:

15A23 Factorization of matrices
15A21 Canonical forms, reductions, classification
15A54 Matrices over function rings in one or more variables