한국수학교육학회지시리즈A:수학교육 (The Mathematical Education)
- 제13권2호
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- Pages.6-10
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- 1974
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- 1225-1380(pISSN)
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- 2287-9633(eISSN)
INTERSECTION GRAPH에 관하여
초록
We consider 'ordinary' graphs: that is, finite undirected graphs with no loops or multiple edges. An intersection representation of a graph G is a function r from V(G), the set of vertices of G, into a family of sets S such that distinct points
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