• Title/Summary/Keyword: Sok

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An improved version of vitali-hahn-saks theorem

  • Hwang, Hong-Taek;Yoo, Won-Sok
    • Bulletin of the Korean Mathematical Society
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    • v.33 no.3
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    • pp.481-485
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    • 1996
  • Let G be an abelian topological group and $x_{ij} \in G$ for all $i, j \in N$ such that the series $\sum_{j=i}^{\infty} x_{ij}$ is subseries convergent for each i.

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THE STRUCTURE OF THE RADICAL OF THE NON SEMISIMPLE GROUP RINGS

  • Yoo, Won Sok
    • Korean Journal of Mathematics
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    • v.18 no.1
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    • pp.97-103
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    • 2010
  • It is well known that the group ring K[G] has the nontrivial Jacobson radical if K is a field of characteristic p and G is a finite group of which order is divided by a prime p. This paper is concerned with the structure of the Jacobson radical of such a group ring.