Structural morphology and the gravitational arrow of time

arXiv:2607.27526 · gr-qc, astro-ph.HE, hep-th · Submitted 2026-07-29 · Read on arXiv

Julian Barbour, Francisco S. N. Lobo, Maria I. R. Lourenço

gr-qc, astro-ph.HE, hep-th

Submitted: 2026-07-29

Comments: 9 pages, 3 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Anisotropy — 26× in this paper · explained in 3 episodes
• Clustering — 11× in this paper · explained in 2 episodes
• Robustness — 8× in this paper · explained in 5 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Benchmark — 1× in this paper · explained in 2 episodes

Sources

• Identification of a gravitational arrow of time
• A Gravitational Origin of the Arrows of Time
• Scale Invariance, Variety and Central Configurations
• The Emergence of Measured Geometry in Self-Gravitating Systems

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