2 papers
Chao Huang
Let p>3 be a prime. We investigate Legendre symbol of p∤f(i,j)0<i<j<p/2∏f(i,j) , where i,j∈Z,f(i,j) is a linear or quadratic for…
Let p≡1(mod4) be a prime. Write t=∏x=1(p−1)/2x. Since t2≡−1(modp) , we can divide {1,2,…,(p−1)/2} into (p−1)/4 ordered pairs so tha…