thumb|A squaregraph. In graph theory, a branch of mathematics, a squaregraph is a type of undirected graph that can be drawn in the plane in such a way that every bounded face is a quadrilateral and every vertex with three or fewer neighbors is incident to an unbounded face.
thumb|A squaregraph. In graph theory, a branch of mathematics, a squaregraph is a type of undirected graph that can be drawn in the plane in such a way that every bounded face is a quadrilateral and every vertex with three or fewer neighbors is incident to an unbounded face.
==Related graph classes== The squaregraphs include as special cases trees, grid graphs, gear graphs, and the graphs of polyominos.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).