Stability of some integral domains on a pullback

Authors

  • Tariq Shah Department of Mathematics, Quaid-i-Azam Universsity, Islamabad-Pakistan Author
  • Sadia Medhat Department of Mathematics, Quaid-i-Azam Universsity, Islamabad-Pakistan Author

Keywords:

Pullback, condition 1

Subjects:

13G05, 16U10

Abstract

Let I be a nonzero ideal of an integral domainT and let φTT/I be the canonicalsurjection. If D is an integral domain contained in T/I, thenR=φ1(D) arises as a pullback of type in the sense of Houston and Taylor such that R\subseteqT is a domains extension. The stability of atomic domains,domains satisfying ACCP, HFDs, valuation domains, PVDs, AVDs,APVDs and PAVDs observed on all corners of pullback of type under the assumption that the domain extensionRT satisfies Condition 1: For each bınT thereexist uın(T) and aınR such that b=ua.

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Published

2012-04-15