256×256×0 (3809 bytes) A partition of the torus into seven mutually adjacent regions, requiring seven colors. The torus is shown unrolled onto a square; points...
File:Hexagonal torus.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:Hexagonal torus.png → File:Hexagonal...
DescriptionSymmetric group 4; Cayley graph 1,5,21 (Nauru torus).svg Cayley graph of S4, generated by blue: (12) green: (13) red: (14) This is a Nauru graph...
DescriptionF026 graph embedded in torus.svg English: An image of the symmetric 26-vertex cubic graph, embedded in the torus Date 26 August 2015 Source Own...
DescriptionHeawood graph and K7 dually embedded in the torus.svg English: Shows the mathematical torus in pink, with the Heawood graph in blue and K7 in green...
DescriptionK10 dual on genus 4 orientable surface.svg English: 10 mutually adjacent regions on a quadruple torus (genus 4 orientable surface) – see Heawood conjecture...
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