一类特殊双色有向图的本原指数集Primitive Exponent Set of a Class of Special Two-colored Digraphs
岳喜尚,高玉斌
摘要(Abstract):
一个双色有向图D是本原的,如果存在非负整数h和k,h+k>0,使得D的每对顶点(i,j),都存在从i到j的(h,k)-途径。此时,把h+k的最小值定义为双色有向图D的本原指数,文章给出一类特殊双色有向图的本原指数集,并对极图进行了刻化。
关键词(KeyWords): 本原指数;有向图;双色有向图
基金项目(Foundation): 国家自然科学基金资助项目(10571163);; 山西省自然科学基金资助项目(20041010)
作者(Author): 岳喜尚,高玉斌
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