2 papers
math-ph2025
Numerical Analysis of the Causal Action Principle in Low Dimensions
Felix Finster, Robert H. Jonsson, Niki Kilbertus
The numerical analysis of causal fermion systems is advanced by employing differentiable programming methods. The causal action principle for weighted counting measures is introduc…
math-ph2025
Notions of Fermionic Entropies of a Causal Fermion System
Felix Finster, Robert H. Jonsson, Magdalena Lottner +2
The fermionic von Neumann entropy, the fermionic entanglement entropy and the fermionic relative entropy are defined for causal fermion systems. Our definition makes use of entropy…