%0 Journal Article %T Cocycle形变的整体维数<br>Global dimensions of cocycle deformations %A 俞晓岚 %J 山东大学学报(理学版) %D 2016 %R 10.6040/j.issn.1671-9352.0.2015.428 %X 摘要: 证明了如果H是整体维数为d的交换Hopf代数, 那么H的cocycle形变的整体维数小于等于d, 即交换Hopf代数的cocycle形变保持整体维数的有界性。<br>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 %K cocycle形变 %K Hopf代数 %K 整体维数 %K < %K br> %K Hopf algebra %K global dimension %K cocycle deformation %U http://lxbwk.njournal.sdu.edu.cn/CN/10.6040/j.issn.1671-9352.0.2015.428