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Tag Archives: Embeddability
F ≤ 4E
1. E ≤ 3V Let G be a simple planar graph with V vertices and E edges. It follows from Euler’s theorem that E ≤ 3V In fact, we have (when V is at least 3,) that E ≤ 3V – 6. … Continue reading →
Posted in Combinatorics, Convex polytopes, Geometry, Open problems
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Tagged Embeddability
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