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Skew power series extensions of principally quasi-Baer rings
- Source :
- Studia Scientiarum Mathematicarum Hungarica; 20240101, Issue: Preprints p-1
- Publication Year :
- 2024
-
Abstract
- A ring R is called right principally quasi-Baer (or simply right p.q.-Baer ) if the right annihilator of a principal right ideal of R is generated by an idempotent. Let R be a ring such that all left semicentral idempotents are central. Let α be an endomorphism of R which is not assumed to be surjective and R be α -compatible. It is shown that the skew power series ring R [[ x; α ]] is right p.q.-Baer if and only if the skew Laurent power series ring R [[ x, x <superscript>−1</superscript> ; α ]] is right p.q.-Baer if and only if R is right p.q.-Baer and any countable family of idempotents in R has a generalized join in I ( R ). An example showing that the α -compatible condition on R is not superfluous, is provided.
Details
- Language :
- English
- ISSN :
- 00816906 and 15882896
- Issue :
- Preprints
- Database :
- Supplemental Index
- Journal :
- Studia Scientiarum Mathematicarum Hungarica
- Publication Type :
- Periodical
- Accession number :
- ejs17087676
- Full Text :
- https://doi.org/10.1556/SScMath.2008.1071