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双循环Kirkman三元系的存在性 被引量:3

Construction of Cyclically Resolvable Cyclic Kirkman Triple Systems
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摘要 研究了双循环K irkm an三元系的存在性.证明了当<υ300时,除去υ=207、243和261这3个可能的例外,双循环KTS(υ)存在的充分必要条件是:υ≡3(m od 6)且v/3不是形如q≡5(m od 6)的素数. This paper proved that the necessary conditions for the existence of a cyclically resolvable cyclic Kirkman triple systems (v≡3(mod 6)) and v/3 is not a prime as q≡5(mod 6)are also sufficient if v≤300, with three undecided cases where v =207,243 or 261.
作者 顾宗敏 沈灏
出处 《上海交通大学学报》 EI CAS CSCD 北大核心 2005年第10期1722-1726,共5页 Journal of Shanghai Jiaotong University
基金 国家自然科学基金资助项目(10471093)
关键词 Steiner三元系 双循环 可分解 KIRKMAN 三元系 Steiner triple systems cyclically cyclic resolvable Kirkman triple systems
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