A Simple Proof of the F\'ary-Wagner Theorem
Abstract
We give a simple proof of the following fundamental result independently due to Fary (1948) and Wagner (1936): Every plane graph has a drawing in which every edge is straight.
0
Turn this paper into a full lesson
ArcXiv compiles a staged curriculum from this paper: 8-12 lessons across beginner → advanced, synthesised section guides, visuals, flashcards, a quiz, exercises, and on-demand deep dives per section. Grounded in the abstract, never invented.