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Indecomposable decompositions of pure-injective modules
Communications in Algebra, 1998(1998). Indecomposable decompositions of pure-injective modules. Communications in Algebra: Vol. 26, No. 11, pp. 3709-3725.
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1984
Some results on pure-injective modules over a commutative ring with 1, proved by Ziegler using model theory, are proved here through algebraic methods. As application of these results we obtain again the structure of indecomposable pure-injective modules over a valuation domain, showing that their elements have constant indicator.
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Some results on pure-injective modules over a commutative ring with 1, proved by Ziegler using model theory, are proved here through algebraic methods. As application of these results we obtain again the structure of indecomposable pure-injective modules over a valuation domain, showing that their elements have constant indicator.
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Pure Injective Modules over a Commutative Valuation Domain
Algebras and Representation Theory, 2003This paper brings the problem of classification of pure injective modules over a commutative valuation domain (CVD) closer to its conclusion by classifying those pure injective modules over a CVD which are envelopes \(N(m)\) of one element \(m\). Geometrical invariants and methods are used.
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Σ-pure-injective Modules and Artinian Modules
1998The aim of this chapter is to study the endomorphism rings of artinian modules (Section 10.2) and, in particular, to characterize the endomorphism rings of artinian modules that are serial rings (Theorem 10.23). If M S is an artinian module over an arbitrary ring S and R = End(M S ), then R MS is a bimodule and RM is a faithful Σ-pure-injective module (
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Indecomposable Pure Injective Modules over Serial Rings
2001Let e be an indecomposable idempotent of a serial ring R. A pp-type p(x) is called an e-type if e | x ∈ p; and pp-formula ϕ(x) is an e-formula if ϕ → e | x. For example, the pp-formula s | x for s ∈ Re is an e-formula. A e-pair is a pair 〈I, J〉, where I ⊂ eR is a right ideal and J ⊂ Re is a left ideal of R.
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Pure Injective Modules over Commutative Valuation Domains
2001In this section we classify in particular, pure injective modules N(p) over commutative valuation domains. But first let us recall some definitions and facts.
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