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gr-qc2026
Reduction of the Finsler gravity vacuum equation and dynamics for the cosmological Landsberg spacetimes
Christian Pfeifer, Fidel F. Villaseñor
When solving the Einstein vacuum equations, a very helpful feature is that they reduce simply to the vanishing of the Ricci tensor. In Finsler gravity, a promising extension of gen…
math-ph2026
Einstein-Kropina Metrics and Their Application in Finsler Gravity
Sjors Heefer, Fidel F. Villaseñor, Andrea Fuster
We generalize the Einstein condition for Kropina metrics obtained in the positive definite setting by Zhang, Shen and others to all signatures. As examples of Einstein-Kropina metr…