Abstract.
In order to study whether the anisotropy of the spacetime may induce differences in the cosmic shear or in the deceleration parameter, we investigate in the Bianchi I Universe the most general expression for the cosmic shear and we study the connections between deceleration parameter and cosmic shear. We also consider a shear parametric approach to measure the transition from a decelerating to an accelerating Universe. We also study the connection between jerk parameter and ellipsoidal Universe.
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Tedesco, L. Ellipsoidal expansion of the Universe, cosmic shear, acceleration and jerk parameter. Eur. Phys. J. Plus 133, 188 (2018). https://doi.org/10.1140/epjp/i2018-12034-x
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DOI: https://doi.org/10.1140/epjp/i2018-12034-x