220 citations · 1.2k across the 39 of their papers we have counts for
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gr-qc2026
Gravitational edge mode powers galaxy flat rotation curves
Obinna Umeh
The point-particle approximation is foundational to modelling clustering of matter in the universe, but is fundamentally inconsistent within General Relativity due to associated sp…
astro-ph.CO2026
Cosmological zoom-in perturbation theory as a consistent beyond point-particle approximation framework
Obinna Umeh
Modelling structure formation across the full dynamical range of the Universe remains a major challenge in cosmology. This difficulty originates from a fundamental limitation of ge…
astro-ph.CO2026
An essential building block for cosmological zoom-in perturbation theory
Obinna Umeh
The evolution of large-scale structure within the standard model of cosmology is well posed only up to the onset of shell crossing, where particle trajectories appear to intersect.…