Hyper-Shell Universe- A Complete Cosmology

The Hyper-Shell Universe (HSU): A Tangible Geometric Extension of Standard Cosmology This record presents the Hyper-Shell Universe (HSU), a finite-thickness hyperspherical-shell cosmology in which the observable universe occupies an expanding shell rather than an infinite Euclidean volume. In the early thin-shell optical limit, null propagation is predominantly tangential, so the observable high-redshift universe remains effectively near-FLRW and retains the standard successes of primordial cosmology. At late times, the finite shell geometry, observer offset from the shell’s symmetry surface, and an emergent support sector generate a weak but coherent directional sector. HSU is proposed as a geometric framework for interpreting a set of aligned late-time anomalies, including the cosmic dipole sector, bulk-flow residuals, directional distance/Hubble residuals, and related ISW/lensing signatures. The model develops a unified shell-response formalism in which multiple observables are treated as different kernel projections of a common underlying geometric response field. The manuscript also develops a rebound-based cosmological history, a late support/uplift sector, a top-down account of rapid early structure emergence, and a deeper interpretive bridge to entanglement-, holography-, and complexity-based ideas, while keeping these layers explicitly distinguished from the geometric and phenomenological core. This upload is intended as a citable research manuscript and public record of the current full formulation of HSU, including its geometric construction, observational motivation, falsifiability criteria, and future development program. If you want a slightly shorter, more journal-like version for Zenodo, use this: The Hyper-Shell Universe (HSU): A Tangible Geometric Extension of Standard Cosmology This record contains the current full manuscript of the Hyper-Shell Universe (HSU), a finite-thickness shell cosmology in which the observable universe occupies an expanding hyperspherical shell. HSU preserves the near-FLRW appearance of the early observable universe through predominantly tangential null propagation in the thin-shell limit, while attributing several late-time directional anomalies to observer offset within the shell and to an emergent support sector. The manuscript develops the geometry, shell-response formalism, observational motivation, falsifiability criteria, and broader interpretive framework of HSU as a unified alternative cosmological model.