On Geometric-Time, Multiverse Frameworks, and UV-Finite Formulations of QFT

This paper introduces the Multidualverse: a novel geometric framework in which point particles propagate with fixed magnitude along a distinguished spatial-like "geometric-time" coordinate, and all ordinary motion appears as transverse deviation. From this single postulate—together with the principle of relativity—the Lorentz transformations, time-dilation formula, and invariant spacetime interval emerge as direct geometric consequences. By assembling ensembles of particles separated along the geometric-time axis, one obtains permanently causally disconnected "normal" and "antiverse" sectors whose worldlines never intersect, yet isolated intersections allow for instantaneous cross-sector interactions while preserving extended invisibility. Embedding these structures yields the Multidualverse Theory of Relativity. Building on this kinematic foundation, the Multidualverse Quantum Field Theory (M-QFT) and its extension to multiple geometric-time coordinates, the Omniverse QFT (O-QFT), introduce a built-in geometric damping mechanism that naturally regulates ultraviolet divergences, resulting in a fully UV-finite interacting quantum field theory without ad hoc regulators. Remarkably, O-QFT reproduces the acoustic-peak structure of the Planck 2018 CMB within current observational uncertainties—establishing a first-principles bridge from propagation geometry to cosmological data. At the apex sits the Hyper-Omniverse Unified QFT, a candidate UV-finite theory of quantum gravity and geometric unification of forces and matter. The goals of this article are: 1. Formalize the geometric-time propagation postulate and derive standard relativistic effects,2. Construct and classify causally disconnected normal/antiverse systems,3. Outline the hierarchy from Multidualverse → Omniverse → Hyper-Omniverse, and4. Highlight conceptual and phenomenological consequences—including novel interaction mechanisms and cosmological implications. This work lays the groundwork for further mathematical development and multidisciplinary collaborations aimed at translating regulator-free, UV-finite QFT into precision predictions across particle physics, cosmology, and beyond.