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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…
math-ph2024★ 6 cited
Cosmological Landsberg Finsler spacetimes
Annamária Friedl-Szász, Elena Popovici-Popescu, Nicoleta Voicu +2
We locally classify all possible cosmological homogeneous and isotropic Landsberg-type Finsler structures, in 4-dimensions. Among them, we identify viable non-stationary Finsler sp…