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Article
Open AccessQuasinormal modes in noncommutative Schwarzschild black holes: a spectral analysis
We present a comprehensive analysis of quasinormal modes (QNMs) for noncommutative geometry-inspired Schwarzschild black holes, encompassing both non-extreme and extreme cases. By employing a spectral method, ...
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Article
Open AccessRings of light caused by gravitational waves
We reconsider the case of the geodesic motion of a massive and massless beam of test particles in a gravitational wave. In particular, we use a direct Lagrangian approach which simplifies the calculation. Our ...