连通和 - 引用次数:3参考来源 - 压缩体上圆片系统和曲面上的曲线的交 Intersections of curves on surfaces with disk systems in compression bodies
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Connected sum
abstract:In mathematics, specifically in topology, the operation of connected sum is a geometric modification on manifolds. Its effect is to join two given manifolds together near a chosen point on each.
These systems will know us better than our best friends, but will also be connected to the entire Web of Things as well as the collective sum of all human knowledge.