Derives modified Einstein and fluid equations for non-minimal matter-Lagrangian-curvature couplings and demonstrates non-equivalence of Schutz and Brown fluid formulations.
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An f(T) model with m ≈ 0.91 and n ≈ 0.69, stable under dynamical analysis, reproduces the observed cosmic expansion when fitted to recent BAO, Hubble, and supernova datasets.
Maximum Caliber on graph spectral kernels yields self-consistent fixed-point solutions, log-linear Fisher-Rao geodesics, and spectral entropy signals for structural phase transitions.
Adiabatic regularization combined with smoothed transitions suppresses the high-frequency oscillations in the power spectrum of primary gravitational waves about a zero mean.
In a perturbatively analyzed relativistic self-gravitating equilibrium with steady flow, the entropy current takes the form (s - b j^0) u^μ / u^0 + b j^μ with b starting at quadratic order and fixed by current conservation.
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Non-minimal fluid Lagrangian couplings
Derives modified Einstein and fluid equations for non-minimal matter-Lagrangian-curvature couplings and demonstrates non-equivalence of Schutz and Brown fluid formulations.
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Cosmological Parameters in $f(T)$ Gravity: Theoretical and Observational Analysis
An f(T) model with m ≈ 0.91 and n ≈ 0.69, stable under dynamical analysis, reproduces the observed cosmic expansion when fitted to recent BAO, Hubble, and supernova datasets.
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Spectral Kernel Dynamics via Maximum Caliber: Fixed Points, Geodesics, and Phase Transitions
Maximum Caliber on graph spectral kernels yields self-consistent fixed-point solutions, log-linear Fisher-Rao geodesics, and spectral entropy signals for structural phase transitions.
- A short course in general relativity