Problems
No problem here has yet been reviewed by a person.
A graph is K 5-friendly if and only if it does not contain any of K_6,C_7^2 and DW_5 as a minor.
No problem here has yet been reviewed by a person.
A graph is K 5-friendly if and only if it does not contain any of K_6,C_7^2 and DW_5 as a minor.