摘要
利用控制不等式理论将 Weierstrass不等式 ∏ni=1( 1± xi) >1± ∑ni=1xi推广到一般初等对称函数上 ,并且给出一个上界估计 .
The Weierstrass′ inequality are extended to general elementary symmetric fuction by means of the theory of majorization. Their converse also were established.
出处
《数学的实践与认识》
CSCD
北大核心
2002年第1期132-135,共4页
Mathematics in Practice and Theory