Scheinerman's Conjecture: Mathematics, Planar Graph, Intersection Line Segment, Graph Theory, Vertex, Coloring, Four Color Theorem

Circle Packing Theorem: Vertex (graph theory), Edge Planar Graph

Maximal Planar Graph Theory and the Four Color Conjecture

Schnyder's Theorem: Mathematics, Graph Theory, Planar Graph, Order Dimension, Partially Ordered Set

Fáry's Theorem: Planar Graph, Line Segment, István Fáry, Klaus Wagner (mathematician)