JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2016, Vol. 51 ›› Issue (8): 39-43.doi: 10.6040/j.issn.1671-9352.0.2015.428

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Global dimensions of cocycle deformations

YU Xiao-lan   

  1. College of Science, Hangzhou Normal University, Hangzhou 310036, Zhejiang, China
  • Received:2015-08-25 Online:2016-08-20 Published:2016-08-08

Abstract: Let H be a commutative Hopf algebra with global dimension d. It is proved that the global dimension of any cocycle deformation of H is at most d. That is, cocycle deformations of commutative Hopf algebras preserve the boundedness of global dimensions.

Key words: Hopf algebra, global dimension, cocycle deformation

CLC Number: 

  • O154
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