J4 ›› 2010, Vol. 23 ›› Issue (2): 1-7.

• mulu •     Next Articles

Degree Conditions for a Group to Be λ4-Optimal and a Group to Be Super- λ4

  

  1. School of Mathematics, Shandong Normal University
  • Received:2009-11-02 Online:2010-04-20 Published:2010-04-20
  • Contact: GAO Jing-zhen E-mail:gaojingzhen1963@163.com

CLC Number: 

  • O157.5