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visits member for 2 years, 3 months
seen Apr 16 at 12:05

Aug
8
awarded  Editor
Aug
8
comment Integration of a differential form
Sorry,I correct it then.
Aug
8
revised Integration of a differential form
added 56 characters in body
Aug
8
asked Integration of a differential form
Jul
1
awarded  Tumbleweed
Jun
30
comment A knot which intersects $S^2$ transversely once in 3-connected manifold
OK,thank you :)
Jun
30
comment A knot which intersects $S^2$ transversely once in 3-connected manifold
OK,I see.Judging from your answer,you say that we can choose such a $K$ only if $\partial W$ is prime,don't you?
Jun
30
comment A knot which intersects $S^2$ transversely once in 3-connected manifold
Sorry,I can't understand the definition of prime so,could you give me some examples of prime set?
Jun
29
asked A knot which intersects $S^2$ transversely once in 3-connected manifold
Jun
24
awarded  Supporter
Jun
24
asked About manifolds after attaching handles.
Jun
24
comment About Kirby Diagrams
Oh,I see.Thanks:-)
Jun
24
comment About Kirby Diagrams
Okay,I see that,but I can't understand that 3-,4-handles and 0-,1-,2-handles must have the same boundary.Why?
Jun
24
awarded  Scholar
Jun
24
accepted About Kirby Diagrams
Jun
23
awarded  Student
Jun
23
asked About Kirby Diagrams