If society is to exist as a unity, its members must have shared values.
You naturally gravitate toward people with shared values.
You've probably heard the expression "opposites attract. " That can be true, but lasting relationships are more often built on shared values.
Just highlighting the common ground will not make these differences disappear. The beliefs, customs, and habits of our diverse communities will not vanish either because of some general and shared values that are supposed to transcend ethnicity.
One normality criterion concering shared values is obtained for afamily of holomorphic functions, which improves the result given by Xu Yan. Our method is also different from Xu Yan.