2 papers
math.HO2009
The concept of primes and the algorithm for counting the greatest common divisor in Ancient China
Shaohua Zhang
When people mention the number theoretical achievements in Ancient China, the famous Chinese Remainder Theorem always springs to mind. But, two more of them--the concept of primes…
math.GM2009
On a Weakened Form of Polignac Conjecture
Shaohua Zhang
Polignac [1] conjectured that for every even natural number , there exist infinitely many consecutive primes and such that . A weakened…