交叉余积的性质和对偶定理的应用

Another Proposition of Yu's Conjecture

给出了ｃｏ－Ｆｒｏｂｅｎｉｕｓ余代数上的交叉余积的重要性质，同时给出了Ｍａｓｃｈｋｅ定理的一种简单证明，并且还刻划了交叉积的半单性与半素性．

In this article,it is proved that an arbitrary even number can be represented as the sum of two numbers in an arthematic series,where one number moduled m is a prime number,the other moduled m is a number of at most three prime's product.