Notes for AKT-090910-1/0:23:54

From Drorbn
Revision as of 15:05, 22 September 2009 by Lzhang (talk | contribs) (video annotation)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search

Reducing the problem: via the Reidemeister Theorem, to proving that tricolourability is invariant under each of the 3 Reidemeister moves.