相关期刊:《北京师范大学学报(自然科学版)》《Wuhan University Journal of Natural Sciences》《山东大学学报(理学版)》《Transactions of Nanjing University of Aeronautics and Astronautics》更多>>
We know Pascal’s triangle and planer graphs. They are mutually connected with each other. For any positive integer n, φ(n) is an even number. But it is not true for all even number, we could find s...
It is generally known that under the generalized Riemann hypothesis one could establish the twin primes conjecture by the circle method, provided one could obtain the estimate o (nlog-2 n)?for the integral of the repr...