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Abstract.
We discuss the relation between Fintushel–Stern knot surgery operation on 4-manifolds and “Scharlemann manifolds”, and as a corollary show that they all are standard. Along the way we show the fishtail can exotically knot in S4 infinitely many ways.
Keywords: Exotic 4-manifold
Received: 2011-03-31
Published Online: 2013-05-02
Published in Print: 2013-05-01
© 2013 by Walter de Gruyter Berlin Boston