论文标题
重新审视Turán的超球员多项式的不平等
Turán's inequality for ultraspherical polynomials revisited
论文作者
论文摘要
我们提供了一个简短的证据,表明在超球体中,归一化的Turán决定因素是凸或凹面,具体取决于参数$λ$是正还是负。
We present a short proof that the normalized Turán determinant in the ultraspherical case is convex or concave depending on whether parameter $λ$ is positive or negative.