Topic: Planar Graphs and Euler's Formula

Triangulations and Equality in the Planar Edge Bound

Trees Have One Face in a Plane Embedding

The Simple Planar Edge Bound

Testing Candidate Graphs with Euler Bounds

Small-Order Exceptions to Planar Edge Bounds

Proving K3,3 Is Nonplanar

Proving K5 Is Nonplanar

Plane Embeddings of K4 and K2,3

Plane Embeddings on the Sphere

Plane Drawings and Planar Graphs