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中国科学院大学学报 ›› 2019, Vol. 36 ›› Issue (1): 1-4.DOI: 10.7523/j.issn.2095-6134.2019.01.001

• 数学与物理学 •    下一篇

交换群NmK2(F[Cpn])的指数

张浩, 唐国平   

  1. 中国科学院大学数学科学学院, 北京 100049
  • 收稿日期:2017-11-22 修回日期:2017-12-20 发布日期:2019-01-15
  • 通讯作者: 唐国平,E-mail:tanggp@ucas.ac.cn
  • 基金资助:
    Supported by the National Nature Science Foundation of China (11401412,11771422)

On the exponent of NmK2(F[Cpn])

ZHANG Hao, TANG Guoping   

  1. School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2017-11-22 Revised:2017-12-20 Published:2019-01-15
  • Supported by:
    Supported by the National Nature Science Foundation of China (11401412,11771422)

摘要: Cpn是阶为pn的循环p群,F是特征为p的有限域。对于任何整数1≤ln,得到NmK2(F[Cpn])中无限多个非平凡的pl阶元素。事实上,这些元素组成NmK2(F[Cpn])的一个生成元集,并且NmK2(F[Cpn])的指数为pn

关键词: K理论, Bass Nil群, 截断多项式

Abstract: Let Cpn be the cyclic p-group of order pn and F a finite field of characteristic p. For any integer 1 ≤ ln, we obtain infinitely many non-trivial elements of order pl in NmK2(F[Cpn]). In fact, these elements form a generating set of NmK2(F[Cpn]) and the exponent of NmK2(F[Cpn]) is pn.

Key words: K-theory, Bass Nil groups, truncated polynomial

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