Connected Hopf algebras and iterated Ore extensions

• K.A. Brown ^[1] ; S. O'Hagan ^[1] ; J.J. Zhang ^[2] ; G. Zhuang ^[3]
  1. [1] University of Glasgow

     University of Glasgow

     Reino Unido

     
  2. [2] University of Washington

     University of Washington

     Estados Unidos

     
  3. [3] University of Southern California

     University of Southern California

     Estados Unidos

     

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• Localización: Journal of pure and applied algebra, ISSN 0022-4049, Vol. 219, Nº 6 (June 2015), 2015, págs. 2405-2433
• Idioma: inglés
• DOI: 10.1016/j.jpaa.2014.09.007
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• Resumen

  • We investigate when a skew polynomial extension T=R[x;σ,δ] of a Hopf algebra R admits a Hopf algebra structure, substantially generalising a theorem of Panov. When this construction is applied iteratively in characteristic 0 one obtains a large family of connected noetherian Hopf algebras of finite Gelfand–Kirillov dimension, including for example all enveloping algebras of finite dimensional solvable Lie algebras and all coordinate rings of unipotent groups. The properties of these Hopf algebras are investigated.