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5. Bases of primitive nonpowerful sign patterns

Bases of primitive nonpowerful sign patterns

来源 :第五届全国组合数学与图论大会 | 被引量 : 0次 | 上传用户：xiangshuhua

【摘 要】

：

For a square primitive nonpowerful sign pattern A, the base of A, denoted byl(A), is the least positive integer l such that every entry of Al is #.The base of a sign pattern is closely related to many

【出 处】

：

第五届全国组合数学与图论大会

【发表日期】

：

2012年8期

【关键词】

：

Sign pattern Primitive nonpowerful Base Gap 

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　　For a square primitive nonpowerful sign pattern A, the base of A, denoted byl(A), is the least positive integer l such that every entry of Al is #.The base of a sign pattern is closely related to many other problems in various areas of pure and applied mathematics.

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