Pages that link to "Item:Q1336675"

The following pages link to Proof of a conjecture of Dirac concerning 4-critical planar graphs (Q1336675):

Displaying 5 items.

• Large faces in 4-critical planar graphs with minimum degree 4 (Q1906842) (← links)
• Two series of edge-4-critical Grötzsch-Sachs graphs generated by four curves in the plane (Q2454497) (← links)
• 4-critical 4-valent planar graphs constructed with crowns. (Q3211329) (← links)
• (Q3476850) (← links)
• On the four vertex theorem in planes with radial density e^φ(r) (Q5458449) (← links)