Orthogonal graphs of characteristic 2 and their automorphisms

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	Orthogonal graphs of characteristic 2 and their automorphisms
	WAN ZheXian; ZHOU Kai
	2009
发表期刊	Science in China. Series A: Mathematics
ISSN	1006-9283
卷号	52 期号:2 页码:361
摘要	The (singular) orthogonal graph O(2v+δ,q) over a field with q elements and of characteristic 2 (where v≥1, and δ= 0,1 or 2) is introduced. When v = 1, O(2·1,q), O(2·1+1,q) and O(2·1 + 2, q) are complete graphs with 2, q + 1 and q~2 + 1 vertices, respectively. When v≥2, O(2v+δ,q) is strongly regular and its parameters are computed. O(2v+1, q) is isomorphic to the symplectic graph Sp(2v, q). The chromatic number of O(2v+δ, q) except when δ=0 and v is odd is computed and the group of graph automorphisms of O(2v+δ, q) is determined.
语种	英语
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/7987
专题	系统科学研究所
作者单位	中国科学院数学与系统科学研究院
推荐引用方式 GB/T 7714	WAN ZheXian,ZHOU Kai. Orthogonal graphs of characteristic 2 and their automorphisms[J]. Science in China. Series A: Mathematics,2009,52(2):361.
APA	WAN ZheXian,&ZHOU Kai.(2009).Orthogonal graphs of characteristic 2 and their automorphisms.Science in China. Series A: Mathematics,52(2),361.
MLA	WAN ZheXian,et al."Orthogonal graphs of characteristic 2 and their automorphisms".Science in China. Series A: Mathematics 52.2(2009):361.