Last Updated
：2025/12/08
exact cover
Noun
Japanese Meaning
与えられた集合 X の各要素が、ある部分集合族 S の中でちょうど1つの部分集合に含まれるような部分集合族 S* のこと。 / 全体集合を誤りなく、一度ずつ網羅する被覆を指す数学的概念（正確被覆または厳密被覆）
（ plural ）
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(topology) Given a collection S of subsets of a set X: a subcollection S* of S such that each element in X is contained in exactly one subset in S*.
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exact cover
To prove the theorem, we constructed an exact cover of X from the given collection S so that each element of X belongs to exactly one chosen subset.
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To prove the theorem, we constructed an exact cover of X from the given collection S so that each element of X belongs to exactly one chosen subset.
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