Showing math.APShow all
2 papers · 1 filter
math.AP2026
Hadamard states for spacetimes with timelike boundaries
Alessandro Pietro Contini, Alexander Strohmaier
We formulate and prove existence of pure quasifree Hadamard states for the Klein--Gordon field with Dirichlet boundary condition on a globally hyperbolic spacetime with timelike bo…
math.AP2023
-classes, Singular Symplectic Geometry and Order-preserving Isomorphisms
Alessandro Pietro Contini
The geometric theory of pseudo-differential and Fourier Integral Operators relies on the symplectic structure of cotangent bundles. If one is to study calculi with some specific fe…