Towards a characterization of minimal non-4-colourable graphs of crossing number one
Zdenek Dvorak, Video: Towards a characterization of minimal non-4-colourable graphs of crossing number one
Zdenek Dvorak, Video: Towards a characterization of minimal non-4-colourable graphs of crossing number one
Zdenek Dvorak, Towards a characterization of minimal non-4-colourable graphs of crossing number one, New Perspectives in Colouring and Structure, BIRS, BIRS talk, 24w5272, math, mathematics, video