Context: This perspective article serves as the theoretical biology and longevity capstone for the Directed Acyclic Graph Interpretation (DAGI) framework at Whytics. By bridging the mathematical topology of quantum hardware with the macroscopic complexity of living systems, it provides a strictly computable, substrate-independent definition of life and biological aging, laying the theoretical foundation for DAGI-based therapeutic Digital Twins. Abstract: The boundary between living and non-living matter remains one of the most elusive frontiers in science. While biological definitions rely heavily on functional checklists—such as metabolism, homeostasis, and reproduction—these descriptive traits lack a rigorous, computable physical foundation. In this perspective, we propose a quantitative, structural definition of the living state based on the Directed Acyclic Graph Interpretation (DAGI) framework. By utilizing Möbius inversion on Boolean subset lattices, we decompose multiscale biological networks into their irreducible informational contributions. Drawing on recent empirical validations of this mathematics in quantum hardware, we identify the physical signature of inanimate matter as a "Redundancy Plateau, " a topological regime where higher-order synergy is strictly suppressed (R_≥3 ≈ 0) and information is ruthlessly leaked to the environment. Conversely, we define the living state as a topological phase transition: a "Shielded Macro-Node" that maintains persistent, macroscopic synergy (R_≥3 ≫ 0) through the imposition of enabling constraints. Under this framework, life is not defined merely by its chemistry, but by its mathematical refusal to become informationally redundant. We discuss the implications of this metric for redefining biological aging as an active process of informational decoherence, and we outline the pathway to applying DAGI-based "Digital Twins" for mapping multiscale longevity interventions. Key Conceptual Highlights: The Inanimate Baseline: Defines "dead" matter mathematically via the Redundancy Plateau—a state driven by Quantum Darwinism where high-order synergy collapses (R_≥3 ≈ 0) and information is ruthlessly broadcast to the environment. The Shielded Macro-Node: Redefines life as a topological anomaly that actively constructs physical constraints (membranes, enzymes) to block environmental leakage and hoard irreducible macroscopic synergy (R_≥3 ≫ 0). Aging as Informational Decoherence: Recasts the traditional "Hallmarks of Aging" not as root causes, but as downstream physical symptoms of a topological flattening, where downward causation fails and systemic synergy decays into redundant noise. Topological Therapeutics: Proposes the use of DAGI-based Digital Twins to map multi-omics data, algorithmically searching for combinatorial interventions designed to re-stitch severed synergistic edges and restore the biological system's macroscopic shield.
Petr Sramek (Mon,) studied this question.