Two Routes to a Rotating Universe: New Study Proposes Cosmic Filament Spin as the Ultimate Test for the Hubble Tension

Toronto, Ontario - June 4, 2026 - The ongoing crisis in modern cosmology-the stubborn discrepancy in the expansion rate of the Universe known as the Hubble tension-might have a geometric solution. But as competing theories of cosmic rotation emerge to solve the puzzle, a critical question remains: how do we prove which one is right?

In a new paper prepared for submission to the Monthly Notices of the Royal Astronomical Society, titled "Two Routes to a Rotating Universe: A Galaxy Spin-Chirality Discriminant between Gödel-Type Fluid Rotation and Topological Counter-Rotation on RP3," we introduce a parameter-free geometric discriminant that could finally settle the debate using next-generation galaxy surveys.
https://interdisciplinary-research.institute/2026/06/04/press-release-4/

Kriger, B. (2026). Two routes to a rotating universe: A galaxy spin-chirality discriminant between Gödel-type fluid rotation and topological counter-rotation on RP3. ResearchGate. https://doi.org/10.13140/RG.2.2.33459.18724

The full manuscript belongs to a comprehensive cosmological framework. To explore the broader model, review related research papers, and track the ongoing peer discussion, visit the following official resources:

Research Division: IIIR Cosmology and Theoretical Physics Program
Peer Tracking & Community Feedback: IIIR Scientific Community Reception Page
The Cosmic Clash: Fluid vs. Topology
Recent cosmological models have demonstrated that introducing a slow rotation to the Universe can successfully reconcile the early- and late-time measurements of the Hubble constant (H0). However, two prominent frameworks arrive at this conclusion from completely different starting points:

The Rotating Dark Fluid Model: Adds a global vorticity axis and a rotating dark matter/energy component to a standard flat background.
The alphaLGQV Topological Model: Proposes that cosmic rotation is an inherent property of a closed, projective 3-space (RP3) topology, driven by a double counter-rotating Clifford (Hopf) flow.
Because both models successfully predict an intermediate Hubble constant, H0 measurements alone cannot distinguish between them. Kriger's study shifts the battleground from the expansion rate to the spin-chirality field of galaxies (the direction in which galaxies rotate relative to an observer).

The "Teacup Ride" Pattern in Cosmic Filaments
A primary objection to a rotating universe has always been the Cosmic Microwave Background (CMB), which shows no signs of a global preferred handedness. The new paper elegantly bypasses this restriction. By demonstrating that the equal-amplitude superposition of two opposite Clifford flows results in pointwise zero total kinetic helicity, the topological model remains entirely "CMB-safe".

Instead of a global violation of parity, the surviving observable is the line-of-sight projection of vorticity. The geometry of the RP3 flow predicts a highly specific, local signature: galaxies on opposite sides of a cosmic filament spine must counter-rotate while remaining coherent along it.

"Think of it as a cosmic teacup ride," says Boris Kriger, Lead Investigator at the Institute of Integrative and Interdisciplinary Research (IIIR). "The filament acts as the main rotating platform, but the individual galaxy 'cups' on opposite edges turn in opposite directions. A standard, single-axis fluid rotation does not generically produce this localized transverse reversal. The geometry of a topological flow does."

Falsifiability and Current Data
The paper outlines three distinct, falsifiable predictions that separate the topological model from fluid vorticity:

Helicity Cancellation: Zero net global handedness at the CMB monopole level.
Transverse Spin Reversal: Mirror-symmetric counter-rotation across well-resolved cosmic filaments.
Redshift Dependence: A near-linear growth of the chirality-dipole amplitude as a function of redshift (1+z), carrying a single coupling constant (alpha_L ≈ 0.005).
The study notes that recent, though contested, observational data already bear on these predictions. This includes the JWST/JADES spin asymmetry dipole reported by Shamir (2025), which shows a monotonic increase with redshift, and the razor-thin, transversely counter-rotating neutral hydrogen filament captured by MeerKAT (Jung, Tudorache et al., 2026).

Rather than claiming a definitive verdict, the paper issues an open invitation to the astrophysics community to publish predicted spin-chirality fields side by side, confronting them with the next generation of bias-controlled galaxy rotation catalogues.

About the Author and Institute
Boris Kriger is the Lead Investigator at the Institute of Integrative and Interdisciplinary Research (IIIR). He is a researcher and author working on foundational problems in theoretical physics, cosmology, and complex adaptive systems.

The full manuscript, "spin_chirality_discriminant (1).pdf", belongs to a comprehensive cosmological framework. To explore the broader model, review related research papers, and track the ongoing peer discussion, visit the following official resources:

Research Division: IIIR Cosmology and Theoretical Physics Program https://interdisciplinary-research.institute/cosmology-and-theoretical-physics/

Peer Tracking & Community Feedback: IIIR Scientific Community Reception Page
https://interdisciplinary-research.institute/reception/

Media & Collaborative Inquiries:

Boris Kriger

Institute of Integrative and Interdisciplinary Research (IIIR)

boriskriger@interdisciplinary-institute.org

ORCID: 0009-0001-0034-2903

Kriger, B. (2026). Two routes to a rotating universe: A galaxy spin-chirality discriminant between Gödel-type fluid rotation and topological counter-rotation on RP3. ResearchGate. https://doi.org/10.13140/RG.2.2.33459.18724

Szigeti, Szapudi, Barna & Barnaföldi (2025), Can rotation solve the Hubble Puzzle?, MNRAS 538(4), 3038-3041 - DOI: 10.1093/mnras/staf446 (arXiv:2503.13525).

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