The paper describes cell closures and singular loci of regular Hessenberg varieties for the minimal indecomposable Hessenberg space, generalizing the type A Peterson variety results to all Lie types.
The partial compactification of the universal centralizer
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Regular Hessenberg varieties for the minimal indecomposable Hessenberg space
The paper describes cell closures and singular loci of regular Hessenberg varieties for the minimal indecomposable Hessenberg space, generalizing the type A Peterson variety results to all Lie types.