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Stability and existence of surfaces in symplectic 4-manifolds with b+=1

  • Josef G. Dorfmeister EMAIL logo , Tian-Jun Li and Weiwei Wu
Published/Copyright: January 19, 2016

Abstract

We establish various stability results for symplectic surfaces in symplectic 4-manifolds with b+=1. These results are then applied to prove the existence of representatives of Lagrangian ADE-configurations as well as to classify negative symplectic spheres in symplectic 4-manifolds with κ=-. This involves the explicit construction of spheres in rational manifolds via a new construction technique called the tilted transport.

Funding source: Simons Foundation

Award Identifier / Grant number: #246043

Award Identifier / Grant number: DMS-1207037

Award Identifier / Grant number: DMS-0244663

Funding statement: The first author was partially supported by the Simons Foundation #246043, the second author by NSF Grant DMS-1207037, and the third author by AMS-Simons travel funds. Moreover, the second and third author were supported by NSF Focused Research Grant DMS-0244663.

Acknowledgements

We thank Jenia Tevelev for helpful discussions on an algebraic approach to the construction and recognition of the rational blow-downs of symplectic -4-spheres in Theorem 1.7, as well as an anonymous referee for the careful reading of this manuscript. We also thank Selman Akbulut, Inanc Baykur and Weimin Chen for their interests in this work. The third author is grateful to Ronald Fintushel for introducing him to the problem of bounded negativity, and Kaoru Ono for explaining patiently many details regarding conifold transitions.

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Received: 2014-07-03
Revised: 2015-07-11
Published Online: 2016-01-19
Published in Print: 2018-09-01

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