<p>We classify simple weight modules over the Drinfeld double <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\({\mathcal {D}}\)</EquationSource> <EquationSource Format="MATHML"><math> <mi mathvariant="script">D</mi> </math></EquationSource> </InlineEquation> of the bosonization of the Jordan plane that have at least one finite-dimensional weight space and determine their annihilators. We show that every primitive ideal, except <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\({\mathfrak {m}}_{+}{\mathcal {D}}\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msub> <mi mathvariant="fraktur">m</mi> <mo>+</mo> </msub> <mi mathvariant="script">D</mi> </mrow> </math></EquationSource> </InlineEquation>, appears as the annihilator of some such module. Furthermore, we construct a family of simple weight modules whose annihilators are <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\({\mathfrak {m}}_{+}{\mathcal {D}}\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msub> <mi mathvariant="fraktur">m</mi> <mo>+</mo> </msub> <mi mathvariant="script">D</mi> </mrow> </math></EquationSource> </InlineEquation>, none of which have finite-dimensional weight spaces.</p>

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Simple weight modules of the Drinfeld double of the Jordan plane

  • Tao Lu

摘要

We classify simple weight modules over the Drinfeld double \({\mathcal {D}}\) D of the bosonization of the Jordan plane that have at least one finite-dimensional weight space and determine their annihilators. We show that every primitive ideal, except \({\mathfrak {m}}_{+}{\mathcal {D}}\) m + D , appears as the annihilator of some such module. Furthermore, we construct a family of simple weight modules whose annihilators are \({\mathfrak {m}}_{+}{\mathcal {D}}\) m + D , none of which have finite-dimensional weight spaces.