Abstract
In this article we build on the framework developed in Ann. Math. 166, 183–214 ([2007]), 166, 723–777 ([2007]), 167, 1–67 ([2008]) to obtain a more complete understanding of the gluing properties for indices of boundary value problems for the Spin ℂ-Dirac operator with sub-elliptic boundary conditions. We extend our analytic results for sub-elliptic boundary value problems for the Spin ℂ-Dirac operator, and gluing results for the indices of these boundary problems to Spin ℂ-manifolds with several pseudoconvex (pseudoconcave) boundary components. These results are applied to study Stein fillability for compact, 3-dimensional, contact manifolds.
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Dedicated with gratitude and admiration to Gennadi Henkin on the occasion of his 65th birthday.
This material is based upon work supported by the National Science Foundation under Grant No. 0603973, and the Francis J. Carey term chair. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author and do not necessarily reflect the views of the National Science Foundation.
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Epstein, C.L. Cobordism, Relative Indices and Stein Fillings. J Geom Anal 18, 341–368 (2008). https://doi.org/10.1007/s12220-008-9010-6
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DOI: https://doi.org/10.1007/s12220-008-9010-6
Keywords
- Spin ℂ Dirac operator
- Index formula
- Subelliptic boundary value problem
- Modified \(\bar {\partial }\) -Neumann condition
- Almost complex manifolds
- Contact manifold
- Relative index conjecture
- Bojarski’s theorem
- Tame Fredholm pairs