|
|||||
|
|
A Note on the History of the Four‐Colour Conjecture |
|
| Authors: | Brendan D. McKay |
| Abstract: | The four‐colour conjecture was brought to public attention in 1854, most probably by Francis or Frederick Guthrie. This moves back by six years the date of the earliest known publication. |
| Keywords: | four‐color conjecture four‐colour conjecture Francis Guthrie Frederick Guthrie history |