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gr-qc2026
Black hole shadows in nonminimally coupled Weyl connection gravity
Cláudio Gomes, Margarida Lima, Francisco S. N. Lobo +1
We study black hole shadows in nonminimally coupled Weyl connection gravity, a metric-affine extension of general relativity in which spacetime is described by a metric and a Weyl…
gr-qc2026★ 1 cited
On Scalar Cosmological Perturbations in Non-Minimally Coupled Weyl Connection Gravity
M. Lima, C. Gomes
We analyze a theory with non-minimal matter-curvature coupling, considering non-metricity properties with a Weyl connection. This model has the advantage of an extra force term whi…
gr-qc2026★ 1 cited
Testing the Dark Universe through the Layzer-Irvine Equation
Cláudio Gomes
We review the cosmic generalisation of the virial theorem known as the Layzer-Irvine equation, also independently derived by Dmitriev and Zeldovich. This equation has been studied…