平面指数一通道极限形状的严格凸性与可微性
Strict convexity and differentiability of the planar exponential first-passage limit shape
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具体内容
稿件研究 ℤ^2 上无向最近邻一通道渗流在独立指数边权下的极限形状。作者声称证明该极限形状严格凸且边界为 C^1,从而解决平面指数模型的严格凸性与可微性猜想。更一般地,作者声称对每个具有正形状和速率的 Gamma 边权律,证明时间常数范数的可微性。研究意义在于推进一通道渗流极限形状的正则性理论。
- 研究对象为 ℤ^2 上独立指数边权的一通道渗流极限形状。
- 作者声称证明极限形状严格凸且具有 C^1 边界。
- 对正形状和速率的 Gamma 边权律证明时间常数范数可微。
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英文原始摘要
We prove that the limit shape of undirected nearest-neighbor first-passage percolation on ℤ2 with independent exponential edge weights is strictly convex and has a C1 boundary. This resolves the strict convexity and differentiability conjectures for the planar exponential model. More generally, we prove differentiability of the time-constant norm for every Gamma edge-weight law with positive shape and rate.
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