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A note on completely prime ideals of Ore extensions. (English) Zbl 1194.16020

Summary: The study of prime ideals has been an area of active research. In recent past a considerable work has been done in this direction. Associated prime ideals and minimal prime ideals of certain types of Ore extensions have been characterized.
In this paper a relation between completely prime ideals of a ring \(R\) and those of \(R[x;\sigma,\delta]\) is given; \(\sigma\) is an automorphisms of \(R\) and \(\delta\) is a \(\sigma\)-derivation of \(R\). It is proved that if \(P\) is a completely prime ideal of \(R\) such that \(\sigma(P)=P\) and \(\delta(P)\subseteq P\), then \(P[x;\sigma,\delta]\) is a completely prime ideal of \(R[x;\sigma,\delta]\). It is also proved that this type of relation does not hold for strongly prime ideals.

MSC:

16S36 Ordinary and skew polynomial rings and semigroup rings
16D25 Ideals in associative algebras
16P40 Noetherian rings and modules (associative rings and algebras)
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