Notes for AKT-090910-2/0:15:44

From Drorbn
Revision as of 21:26, 6 June 2011 by Iva (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search

Definitions of positive and negative crossings and the writhe of an oriented knot diagram.