The Causal Response Framework: Volume II - Charting Cosmology

This monograph-length investigation examines the cosmological implications forced by the empirical results established in Volume I of the Causal Response Framework. Using the same regime-based, falsification-driven methodology, the work asks not which cosmological models are preferred, but which classes of cosmological behavior remain admissible once instantaneous gravitational inference is excluded.Rather than proposing a forward cosmology, the analysis proceeds by systematic elimination. A sequence of preregistered adjudication criteria and empirical probes tests whether any admissible cosmological response can remain consistent with observed temporal ordering, spatial coherence, environmental modulation, large-scale structure persistence, and expansion history constraints. The surviving constraint structure restricts admissible behavior to a narrow class of environment-conditioned, history-dependent cosmologies. The volume concludes by identifying this residual class and introducing a descriptive classification—spacetime as an aging medium—without asserting additional ontology or mechanism, deferring cosmological completion to subsequent volumes. Version History v1.1 (2026-01-14)Formal content update. No previously reported empirical results, probe outcomes, or conclusions have changed. Added a new main-body chapter, “A Minimally Admissible Provisional Relaxation Time Kernel,” completing the formal derivation of the Relaxation Time Kernel (RTK) within Volume II, Book I. This chapter records a derivation that was completed during the preparation of Book I but was unintentionally omitted from the initial public release. The RTK is presented as a minimal, admissible extension of the Volume I Memory–Lag Kernel, inferred strictly from the constraints established by Probes P1–P5, without introducing new empirical inputs, tuning, or phenomenological assumptions. No changes have been made to earlier chapters, probe definitions, adjudication logic, or robustness results. v1.0 (original release)Initial public release.