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Research on semiregular relative difference sets of(u,λ)-type

Research on semiregular relative difference sets of(u,λ)-type
(u,λ)型半正则相对差分集的研究
批准号:
21540021
负责人:
HIRAMINE Yutaka
金额:
$1.75万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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英文摘要
A. Blokhuis et al. have shown that abelian semiregular relative difference sets with lambda=1 are p-groups for some prime p. In this research we study the case lambda=2 and show that the corresponding groups are 2-groups with some exceptions. Concerning the group G=Zp×Zp×Zp, we characterize the known semiregular relative difference sets in G by using functions from Zp to Zp. We also consider generalized Hadamard matrices and give their modification. As an application we construct new generalized Hadamard matrices related to spreads.
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On(p^2, p, p^2, p)-difference sets in Zp^3
Zp^3 中的 On(p^2, p, p^2, p) 差分集
DOI: --
发表时间: 2012
期刊: Journal of Statistical Theory and Practice
影响因子: 0.6
作者: [パワロ リーベンボイム, 吾郷孝視, 真庭久芳, 平峰豊, H. Suzuki, 吉荒聡, 村田玲音(with 神谷諭一), 平峰豊]
通讯作者: 平峰豊
DOI: --
发表时间: 2011
期刊: Designs, Codes and Cryptography
影响因子: --
作者: [Y.Hiramine, T.Hiranouchi, 平峰豊]
通讯作者: 平峰豊
Modified difference matricesとFrobenius群
修正差分矩阵和 Frobenius 群
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Hiroaki Nakamura, Hiroshi Tsunogai, Seidai Yasuda, 平峰豊]
通讯作者: 平峰豊
DOI: 10.1016/j.jcta.2009.12.001
发表时间: 2010-10
期刊: J. Comb. Theory A
影响因子: --
作者: [Y. Hiramine]
通讯作者: Y. Hiramine
22
    Research on relative difference sets of affine type
    • 批准号:
      17540034
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $1.63万
    • 财政年份:
      2005
    • 负责人:
      HIRAMINE Yutaka
    • 依托单位:
    Research on difference sets related to finite geometry
    • 批准号:
      13640032
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.18万
    • 财政年份:
      2001
    • 负责人:
      HIRAMINE Yutaka
    • 依托单位:
    Research of Schur rings obtained from Combinatorial structure
    • 批准号:
      09640049
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $1.86万
    • 财政年份:
      1997
    • 负责人:
      HIRAMINE Yutaka
    • 依托单位:
    海外基金