Calderón Projector for the Hessian of the perturbed Chern¿Simons function on a 3-manifold with boundary

• Autores: Benjamin Himpel, Paul Kirk, Matthias Lesch
• Localización: Proceedings of the London Mathematical Society, ISSN 0024-6115, Vol. 89, Nº 1, 2004, págs. 241-272
• Idioma: inglés
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• Resumen

  • The existence and continuity for the Calderón projector of the perturbed odd signature operator on a 3-manifold is established. As an application we give a new proof of a result of Taubes relating the modulo 2 spectral flow of a family of operators on a homology 3-sphere with the difference in local intersection numbers of the character varieties coming from a Heegard decomposition.