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Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in 
Non-Equilibrium Dynamics

Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in Non-Equilibrium Dynamics

by
Physics Department, College of Science, United Arab Emirates University, Al-Ain 15551, United Arab Emirates
Mathematics 2026, 14(5), 853; https://doi.org/10.3390/math14050853
Submission received: 29 January 2026 / Revised: 25 February 2026 / Accepted: 28 February 2026 / Published: 2 March 2026
(This article belongs to the Section E4: Mathematical Physics)

Abstract

We develop a dual-time topological framework for the mathematical description of non-equilibrium systems, aimed at reconciling time-reversible microscopic dynamics with irreversible macroscopic behavior. The formulation introduces two independent but coupled temporal parameters: a reversible time associated with microscopic or generative dynamics, and an irreversible time governing dissipation, entropy production, and macroscopic evolution. Physical states are defined on a dual-time manifold, allowing reversible and irreversible processes to be treated within a unified geometric setting. Temporal evolution is described using independent temporal connections and their associated curvature. We show that nonvanishing temporal curvature induces path dependence in temporal evolution, providing a geometric origin for memory effects, non-Markovian dynamics, and aging phenomena. Temporal asymmetry emerges dynamically through symmetry breaking between the temporal sectors and through projection from the bi-temporal domain onto a single observable time parameter. The relationship between the dual-time formalism and conventional single-time non-equilibrium models is analyzed. Standard evolution equations are recovered in integrable or decoupling limits, demonstrating that the proposed framework constitutes a genuine generalization compatible with established approaches. By encoding irreversibility in the geometry and topology of temporal evolution, this work provides a mathematically consistent geometric framework for analyzing the emergence of the arrow of time in non-equilibrium theoretical physics. Unlike conventional approaches in which irreversibility and memory are encoded phenomenologically at the level of effective equations, the present framework reformulates non-Markovian dynamics and temporal asymmetry in terms of the geometry and topology of coupled temporal evolution. In particular, a representation theorem is established showing that a broad class of convolution-type non-Markovian equations arises as projections of local dual-time dynamics.



Cite

MDPI and ACS Style

Haj Yousef, M. Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in Non-Equilibrium Dynamics. Mathematics 2026, 14, 853. https://doi.org/10.3390/math14050853

AMA Style

Haj Yousef M. Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in Non-Equilibrium Dynamics. Mathematics. 2026; 14(5):853. https://doi.org/10.3390/math14050853

Chicago/Turabian Style

Haj Yousef, Mohamed. 2026. "Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in Non-Equilibrium Dynamics" Mathematics 14, no. 5: 853. https://doi.org/10.3390/math14050853

APA Style

Haj Yousef, M. (2026). Dual-Time Topological Geometry and the Emergence of Temporal Asymmetry in Non-Equilibrium Dynamics. Mathematics, 14(5), 853. https://doi.org/10.3390/math14050853

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