关于平面上具有重心距离的定量等周不等式
On the quantitative isoperimetric inequality in the plane with the barycentric distance
摘要:
本文研究了平面上的以下定量等周不等式:$λ_0^2(Ω) \leq C δ(Ω)$其中$δ$是等周亏额,$λ_0$是重心不对称性.我们的目的是推广B. Fuglede在\cite{Fu93Geometriae}中。为此目的,我们考虑形状最优化问题:最小化的比例$δ(Ω)/λ_0^2(Ω)$在类的紧连接集和类的凸集。
英文摘要:
In this paper we study the following quantitative isoperimetric inequality in the plane: $λ_0^2(Ω) \leq C δ(Ω)$ where $δ$ is the isoperimetric deficit and $λ_0$ is the barycentric asymmetry. Our aim is to generalize some results obtained by B. Fuglede in \cite{Fu93Geometriae}. For that purpose, we consider the shape optimization problem: minimize the ratio $δ(Ω)/λ_0^2(Ω)$ in the class of compact connected sets and in the class of convex sets.
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