The Dirac operator on spaces with conical singularities and positive scalar curvatures
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Abstract:
We study, in the spirit of Jeff Cheeger, the Dirac operator on a space with conical singularities. We obtain a Bochner-type vanishing theorem and prove an index theorem in the singular case. Also, the relationship with manifolds with boundary is explored. In the Appendix two methods of deforming the metric near the boundary are established and applied to obtain several new results on constructing complete metrics with positive scalar curvature.References
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Additional Information
- © Copyright 1985 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 289 (1985), 1-40
- MSC: Primary 58G10; Secondary 58G05, 58G11, 58G25
- DOI: https://doi.org/10.1090/S0002-9947-1985-0779050-8
- MathSciNet review: 779050