Journal of the Korean Mathematical Society (대한수학회지)

Korean Mathematical Society (대한수학회)
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OVERRINGS OF t-COPRIMELY PACKED DOMAINS

  • Kim, Hwan-Koo (DEPARTMENT OF INFORMATION SECURITY HOSEO UNIVERSITY)
  • Received : 2009.08.17
  • Accepted : 2009.10.14
  • Published : 2011.01.01
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Abstract

It is well known that for a Krull domain R, the divisor class group of R is a torsion group if and only if every subintersection of R is a ring of quotients. Thus a natural question is that under what conditions, for a non-Krull domain R, every (t-)subintersection (resp., t-linked overring) of R is a ring of quotients or every (t-)subintersection (resp., t-linked overring) of R is at. To address this question, we introduce the notions of *-compact packedness and *-coprime packedness of (an ideal of) an integral domain R for a star operation * of finite character, mainly t or w. We also investigate the t-theoretic analogues of related results in the literature.

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References

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