<p>Let <i>R</i> be a commutative ring with nonzero identity, and <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(\delta \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation> an expansion function of its ideals. As a generalization of <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(\delta \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation>-<i>n</i>-ideals, we introduce <i>weakly </i><InlineEquation ID="IEq6"> <EquationSource Format="TEX">\(\delta \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation>-<i>n</i><i>-ideals</i> which are proper ideals <i>I</i> of <i>R</i> for which, whenever <InlineEquation ID="IEq7"> <EquationSource Format="TEX">\(0 \ne xy \in I\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mn>0</mn> <mo>≠</mo> <mi>x</mi> <mi>y</mi> <mo>∈</mo> <mi>I</mi> </mrow> </math></EquationSource> </InlineEquation> for <InlineEquation ID="IEq8"> <EquationSource Format="TEX">\(x, y \in R\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>x</mi> <mo>,</mo> <mi>y</mi> <mo>∈</mo> <mi>R</mi> </mrow> </math></EquationSource> </InlineEquation>, it follows that <InlineEquation ID="IEq9"> <EquationSource Format="TEX">\(x \in \delta (I)\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>x</mi> <mo>∈</mo> <mi>δ</mi> <mo stretchy="false">(</mo> <mi>I</mi> <mo stretchy="false">)</mo> </mrow> </math></EquationSource> </InlineEquation> or <i>y</i> is nilpotent. By exploring various basic properties of weakly <InlineEquation ID="IEq10"> <EquationSource Format="TEX">\(\delta \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation>-<i>n</i>-ideals and establishing several characterizations, we reveal the principal symmetries they share with <InlineEquation ID="IEq11"> <EquationSource Format="TEX">\(\delta \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation>-<i>n</i>-ideals and related classes such as <i>n</i>-ideals, <InlineEquation ID="IEq12"> <EquationSource Format="TEX">\(\delta (0)\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>δ</mi> <mo stretchy="false">(</mo> <mn>0</mn> <mo stretchy="false">)</mo> </mrow> </math></EquationSource> </InlineEquation>-ideals, and <InlineEquation ID="IEq13"> <EquationSource Format="TEX">\(\delta \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>δ</mi> </math></EquationSource> </InlineEquation>-semiprimary ideals. The transfer of the newly introcued property to ideals of quotient, localization, and product rings is also examined.</p>

错误:搜索内容不能为空,请输入英文关键词
错误:关键词超出字数限制,请精简
高级检索

Weakly \(\delta \)-n-ideals of commutative rings

  • Khalid Draoui

摘要

Let R be a commutative ring with nonzero identity, and \(\delta \) δ an expansion function of its ideals. As a generalization of \(\delta \) δ -n-ideals, we introduce weakly \(\delta \) δ -n-ideals which are proper ideals I of R for which, whenever \(0 \ne xy \in I\) 0 x y I for \(x, y \in R\) x , y R , it follows that \(x \in \delta (I)\) x δ ( I ) or y is nilpotent. By exploring various basic properties of weakly \(\delta \) δ -n-ideals and establishing several characterizations, we reveal the principal symmetries they share with \(\delta \) δ -n-ideals and related classes such as n-ideals, \(\delta (0)\) δ ( 0 ) -ideals, and \(\delta \) δ -semiprimary ideals. The transfer of the newly introcued property to ideals of quotient, localization, and product rings is also examined.