Derivations of the Positive Part of the Two-parameter Quantum Group of Type G2

• 作者: Yong Yue ZHONG Xiao Min TANG
• 来源期刊: 数学学报（英文版）
• 年，卷（期）: 2021,（9）
• 页码范围: 1471-1484
• 页数: 14页
• 语种: 英文

摘要

In this paper,we compute the derivations of the positive part of the two-parameter quan-tum group of type G2 by embedding it into a quantum torus.We also show that the first Hochschild cohomology group of this algebra is a two-dimensional vector space over the complex field.