Related terms:
independent set
number of faces
subgraphs
graph coloring
regular polygons
four colours
graph invariant
minimal counterexample
suffice
polyhedral surface
archimedean solids
uniform tiling
vertex of degree
maximum allowed
counted twice
graph embedding
maximal independent sets
input is an undirected graph
euler characteristic
maximum independent set
maximum clique
algebraic graph theory
graph property
forbidden minors
any graph
directed cycle
Wikipedia sources:
Cycle graph
Tessellation
Four color theorem
Euler characteristic
Algebraic connectivity
Independent set (graph theory)
Graph property
Bipartite graph
Minor (graph theory)
Graph theory
Fibonacci cube
Vertex configuration
Context for words:
number
of
vertices
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