Abstract
Let \(R=\bigoplus _{\alpha \in \Gamma }R_{\alpha }\) be a graded integral domain and \(\star \) be a semistar operation on R. For \(a\in R\), denote by C(a) the ideal of R generated by homogeneous components of a and for \(f=f_0+f_1X+\cdots +f_nX^n\in R[X]\), let \(\mathcal {A}_f:=\sum _{i=0}^nC(f_i)\). Let \(N(\star ):=\{f\in R[X]\mid f\ne 0\text { and }\mathcal {A}_f^{\star }=R^{\star }\}\). In this paper, we study relationships between ideal theoretic properties of \({\text {NA}}(R,\star ):=R[X]_{N(\star )}\) and the homogeneous ideal theoretic properties of R. For example, we show that R is a graded Prüfer-\(\star \)-multiplication domain if and only if \({\text {NA}}(D,\star )\) is a Prüfer domain and if and only if \({\text {NA}}(R,\star )\) is a Bézout domain. We also determine when \({\text {NA}}(R,v)\) is a PID.
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The author wishes to thank the referee for an insightful report. This project was in part supported by a grant from IPM (No. 91130030).
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Communicated by Siamak Yassemi.
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Sahandi, P. Characterizations of Graded Prüfer \(\star \)-Multiplication Domains, II. Bull. Iran. Math. Soc. 44, 61–78 (2018). https://doi.org/10.1007/s41980-018-0005-1
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DOI: https://doi.org/10.1007/s41980-018-0005-1