M. Lesch
On index formulas for manifolds with metric horns
Lesch, M.; Peyerimhoff, N.
Abstract
In this paper we discuss the index problem for geometric differential operators (Spin-Dirac operator, Gauss-Bonnet operator, Signature operator) on manifolds with metric horns. On singular manifolds these operators in general do not have unique closed extensions. But there always exist two extremal extensions D_min and D_max. We describe the quotient of their domains explicitely in geometric resp. topological terms of the base manifolds of the metric horns. We derive index formulas for the Spin-Dirac and Gauss-Bonnet operator. For the Signature operator we present a partial result.
Citation
Lesch, M., & Peyerimhoff, N. (1998). On index formulas for manifolds with metric horns. Communications in Partial Differential Equations, 23(3 & 4), 649-684
Journal Article Type | Article |
---|---|
Publication Date | 1998 |
Journal | Communications in Partial Differential Equations |
Print ISSN | 0360-5302 |
Publisher | Taylor and Francis Group |
Peer Reviewed | Peer Reviewed |
Volume | 23 |
Issue | 3 & 4 |
Pages | 649-684 |
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