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单词 Ultrametricity
释义

Ultrametricity

英语百科

Ultrametric space

In mathematics, an ultrametric space is a special kind of metric space in which the triangle inequality is replaced with d(x,z)\leq\max\left\{d(x,y),d(y,z)\right\}. Sometimes the associated metric is also called a non-Archimedean metric or super-metric. Although some of the theorems for ultrametric spaces may seem strange at a first glance, they appear naturally in many applications.

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更新时间:2025/6/19 6:09:20