<p>Let <i>R</i> be a chained ring with nilradical <i>N</i>. We prove that <i>R</i> is isonoetherian if and only if <i>R</i> satisfies DCC on annihilators and ACC on infinetly generated ideals if and only if (i) each zero divisor of <i>R</i> is nilpotent, (ii) the module <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1312_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="26" /> </InlineMediaObject> <EquationSource Format="TEX">\(N_R\)</EquationSource> </InlineEquation> satisfies DCC on annihilators and ACC on infinitely generated submodules and (iii) <i>R</i>/<i>N</i> is a discrete valuation domain with Krull dimension <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1312_Article_IEq2.gif" Format="GIF" Height="15" Rendition="HTML" Resolution="72" Type="Linedraw" Width="29" /> </InlineMediaObject> <EquationSource Format="TEX">\(\le 2\)</EquationSource> </InlineEquation>. We show that <i>R</i> satisfies ACC<InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1312_Article_IEq3.gif" Format="GIF" Height="11" Rendition="HTML" Resolution="72" Type="Linedraw" Width="10" /> </InlineMediaObject> <EquationSource Format="TEX">\(_d\)</EquationSource> </InlineEquation> on ideals if and only if <i>R</i> satisfies ACC on infinetly generated ideals if and only if <i>R</i> satisfies epi-ACC on ideals. We study the isonoetherian (respectively satisfies ACC<InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1312_Article_IEq3.gif" Format="GIF" Height="11" Rendition="HTML" Resolution="72" Type="Linedraw" Width="10" /> </InlineMediaObject> <EquationSource Format="TEX">\(_d\)</EquationSource> </InlineEquation> on ideals) property on pseudo-valuation rings and we illustrate results with some examples.</p>

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Isonoetherian chained rings

  • Mohamed Khalifa

摘要

Let R be a chained ring with nilradical N. We prove that R is isonoetherian if and only if R satisfies DCC on annihilators and ACC on infinetly generated ideals if and only if (i) each zero divisor of R is nilpotent, (ii) the module \(N_R\) satisfies DCC on annihilators and ACC on infinitely generated submodules and (iii) R/N is a discrete valuation domain with Krull dimension \(\le 2\) . We show that R satisfies ACC \(_d\) on ideals if and only if R satisfies ACC on infinetly generated ideals if and only if R satisfies epi-ACC on ideals. We study the isonoetherian (respectively satisfies ACC \(_d\) on ideals) property on pseudo-valuation rings and we illustrate results with some examples.