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Publication:3922699

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zbMath0469.05028MaRDI QIDQ3922699

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Publication date: 1981

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

expansion projection triangular imbedding orientability characteristic

Mathematics Subject Classification ID

Planar graphs; geometric and topological aspects of graph theory (05C10)

Related Items (3)

(m)-covering of a triangulation ⋮ Constructing a covering triangulation by means of a nowhere-zero dual flow ⋮ The medial graph and voltage-current duality

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