## About

Hello, I'm Daniel Siemssen. I'm currently employed at CARIAD and develop tools to enable the development of artificial intelligence and machine learning applications in the Volkswagen Group.

### Past positions

- Researcher, University of Wuppertal, Department of Mathematics and Computer Science
- Associate Lecturer in Mathematical Physics, University of York, Department of Mathematics
- Interim Professor in Applied Mathematics, University of Wuppertal, Department of Mathematics and Computer Science
- Postdoctoral Researcher, University of Wuppertal, Department of Mathematics and Computer Science
- Postdoctoral Fellow (FUGA Fellowship), University of Warsaw, Faculty of Physics
- Postdoctoral Fellow (Riemann Fellowship), University of Hannover, Riemann Center

### Education

- PhD in Mathematics, University of Genova
- Diploma in Physics, University of Hamburg

## Publications

### Special cosmological models derived from the semiclassical Einstein equation on flat FLRW space-times

### Existence and uniqueness of solutions of the semiclassical Einstein equation in cosmological models

### An evolution equation approach to linear quantum field theory

### The cosmological semiclassical Einstein equation as an infinite-dimensional dynamical system

### Pseudodifferential Weyl calculus on (pseudo-)Riemannian manifolds

### An evolution equation approach to Klein-Gordon operators in curved spacetimes

### Quantum energy inequalities in pre-metric electrodynamics

### Feynman propagators on static spacetimes

### Electromagnetic potential in pre-metric electrodynamics: causal structure, propagators and quantization

### The semiclassical Einstein equation on cosmological spacetimes

PhD Thesis, University of Genoa (2015) / arXiv:1503.01826 [math-ph]