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- Galaxies, Etoiles, Physique et InstrumentationFR2 papers
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math.GT2005★ 3 cited
Notions of positivity and the Ozsvath-Szabo concordance invariant
Matthew Hedden
In this paper we examine the relationship between various types of positivity for knots and the concodance invariant tau discovered by Ozsvath and Szabo and independently by Rasmus…
math.GT2005★ 2 cited
Double node neighborhoods and families of simply connected 4-manifolds with b^+=1
Ronald Fintushel, Ronald J. Stern
We introduce a new technique that is used to show that the complex projective plane blown up at 6, 7, or 8 points has infinitely many distinct smooth structures. None of these smoo…