2 citations · 4 across the 2 of their papers we have counts for
2 papers
math.SP2020★ 2 cited
The APS-index and the spectral flow
Koen van den Dungen, Lennart Ronge
We study the Atiyah-Patodi-Singer (APS) index, and its equality to the spectral flow, in an abstract, functional analytic setting. More precisely, we consider a (suitably continuou…
math.SP2019★ 2 cited
Index Theory for Globally Hyperbolic Spacetimes
Lennart Ronge
An equality between the spectral flow of a family of self-adjoint Fredholm operators and the index of the associated differential operator with Atiyah-Patodi-…