- Next handle seminar is 9/1(Tue.). The webseite is here.
- We held a workshop Differential topology 15. The website is here.
- We held Mini-workshop on knot concordance. The website is here.
Low dimensional topology (Dehn surgery, 4-manifolds, Heegaard Floer homology)
e-mail address: tange_at mark_math.tsukuba.ac.jp
When you send me an e-mail, you have to replace _at mark_ with @.
(You are the -th person. )
Gallery of my portraits.