Last Updated
：2025/11/28
wedge sum
Noun
Japanese Meaning
位相空間論において、複数の位相空間を1点（共通の一点）で連結した空間。すなわち、各空間がその一点で合体している構造を指す。
Sense（1）
（ plural ）
Quizzes for review
(topology) A one-point union of a family of topological spaces.
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wedge sum
The wedge sum of two circles is homeomorphic to a figure-eight and provides a classic example for computing fundamental groups.
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The wedge sum of two circles is homeomorphic to a figure-eight and provides a classic example for computing fundamental groups.
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