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The study aims to analyze the implications of modified inertia on gravitational lensing predictions and their consistency with observed data.

August 11, 2026Open Access

A local, generally covariant field theory of modified inertia

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Randomized trial examines gravitational lensing and modified inertia's implications in cosmology, suggesting critical revisions.

The study aims to analyze the implications of modified inertia on gravitational lensing predictions and their consistency with observed data.
Local covariant field theory construction for modified inertia and gravity.
Utilization of lensing data from SPARC galaxies to test theoretical predictions against observational outcomes.
Real CAMB and CLASS simulations to derive the interpolation function relevant to modified inertia.
Modified inertia predicts lensing consistent with baryonic mass, contradicting observed dynamics, excluded at ~21 sigma.
The derived results suggest no support for kappa = 1/2, indicating significant discrepancies in theoretical predictions.
Three predictions need re-derivation within modified gravity, highlighting inconsistencies in traditional modeling.

Carl P. Zimmerman (2026) studied this question.

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