Trivial extensions defined by Prufer conditions

Details Trivial extensions defined by Prufer conditions Trivial extensions defined by Prufer conditions

2008-08-02

arxiv.org/abs/0808.0275v2

Mathematics

Commutative Algebra

12 pages. Theorem 2.1(3) is improved via modification of Lemma 2.3

Scientific paper

This paper deals with well-known extensions of the Prufer domain concept to arbitrary commutative rings. We investigate the transfer of these notions in trivial ring extensions (also called idealizations) of commutative rings by modules and then generate original families of rings with zerodivisors subject to various Prufer conditions. The new examples give further evidence for the validity of Bazzoni-Glaz conjecture on the weak dimension of Gaussian rings. Moreover, trivial ring extensions allow us to widen the scope of validity of Kaplansky-Tsang conjecture on the content ideal of Gaussian polynomials.

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