《山东大学学报(理学版)》 ›› 2019, Vol. 54 ›› Issue (8): 108-120.doi: 10.6040/j.issn.1671-9352.0.2018.407
段然
DUAN Ran
摘要: 设n是任意正整数,令Zn是模n的剩余类环,并且Z*n是模n的即约剩余类环,即Z*n={s:1≤s≤n, gcd(s,n)=1}。通过利用同余理论与指数和的相关结果来研究集合T(a,b,c,n)={(x,y)∈(Z*n)2:ax2+by2+c≡0 mod n}的元素个数并给出集合T(a,b,c,n)元素个数的确切计算公式。
中图分类号:
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