欧氏直径相关论文
本文对欧氏空间中分别具有给定截面曲率和Ricci曲率的紧致超曲面的欧氏直径做了估计。......
Let D be a bounded domain in R2 and c (≥ 1) be a constant. We say that D is a c-Johndomain if there exists x0 ∈ D such......