Takahiro Oba
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 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