Twisting 4-manifolds along RP^2

Abstract

We prove that the Dolgachev surface E(1)_{2,3} (which is an exotic copy of the elliptic surface E(1)=CP^2 # 9(-CP^2)) can be obtained from E(1) by twisting along a simple "plug", in particular it can be obtained from E(1) by twisting along an RP^2.

5 papes, 5 figures. Appeared in Proceedings of GGT.

References in corpus (5)

• Corks, Plugs and exotic structures
• Variations on Fintushel-Stern Knot Surgery on 4-manifolds
• A fake cusp and a fishtail
• The Dolgachev Surface
• Cappell-Shaneson's 4-dimensional s-cobordism

Cited by in corpus (3)

• A plug with infinite order and some exotic 4-manifolds
• The link surgery of $S^2\times S^2$ and Scharlemann's manifolds
• On the figure-8 surgery of S^2\times S^2