中文

Journal of Shanghai University（Natural Science Edition） ›› 2010, Vol. 16 ›› Issue (3): 286-289.

• Mathematics.Physics and Chemistry • Previous Articles     Next Articles

Estimation of Upper Bound for Number of Solutions of a Kind of Congruence

MA Ji-guo   

  1. (College of Sciences, Shanghai University, Shanghai 200444, China)
  • Online:2010-06-28 Published:2010-06-28

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Abstract:

The problem of the solution number about m=(m1,m2,…,m2r) was studied, when the congruence  can be solved. By introducing an elementary method, we obtain the solution number of m in the congruence when r=4. 

Key words: congruence; number of solutions; characteristic sum