Strongly regular graphs with smallest eigenvalue —m
Strongly regular graphs with smallest eigenvalue —m
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DOI:
10.1007/bf01222774
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发表时间:
1979-12
影响因子:
0.6
通讯作者:
A. Neumaier
中科院分区:
文献类型:
--
作者:
A. Neumaier
Proof. The expressions for the parameters, and the equation for/2~ can be easily verified using (1) and (2), 1 gm--< n follows from the fact that P~ 2 and P~ 2 are nonnegative, and the inequalities for/, and~ come from the fact that the other p~ are nolmegative.