摘要
In this paper, we prove that each sufficiently large integer N ≠1(mod 3) can be written as N=p+p1^2+p2^2+p3^2+p4^2, with|p-N/5|≤U,|pj-√N/5|≤U,j=1,2,3,4,where U=N^2/20+c and p,pj are primes.
In this paper, we prove that each sufficiently large integer N ≠1(mod 3) can be written as N=p+p1^2+p2^2+p3^2+p4^2, with|p-N/5|≤U,|pj-√N/5|≤U,j=1,2,3,4,where U=N^2/20+c and p,pj are primes.
基金
the National Natural Science Foundation of China (Grant No.10701048)