2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71572We study the zeta determinant of global boundary problems of APS-type through a general theory for relative spectral invariants. In particular, we compute the zeta determinant for Dirac-Laplacian boundary problems in terms of a scattering Fredholm determinant over the boundary.62 pagesAnalysis of PDEsDifferential Geometrytext