New -clean finite group rings under the conjugate involution

New -clean finite group rings under the conjugate involution
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共轭对合下的新洁净有限群环

DOI:
10.1016/j.ffa.2019.06.002
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发表时间:
2019
影响因子:
1
通讯作者:
Tang Gaohua
Tang Gaohua
中科院分区:
数学2区
文献类型:
--
作者:
Wu Yansheng;Yue Qin;Tang Gaohua

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设G是一个有限阿贝尔群,fq2是一个二阶有限域。共轭对合过程的定义为:F q 2g→F q 2g,∑r G G∑r G q G−1。本文完全刻画了群代数fq2g在共轭对合下是一个F -洁净环。
Let G be a finite abelian group and F q 2 be a finite field of order q 2. The conjugate involution⁎ is defined by⁎: F q 2 G→ F q 2 G,∑ r g g↦∑ r g q g− 1. In this paper, we completely characterize when a group algebra F q 2 G is a⁎-clean ring under the conjugate involution.