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Interface Structure as Admissibility and Composition Constraints - A Level-Dependent Framework for Relational Physical Theories

Chaim Zeitz

Published May 26, 2026• 0 citations
Publisher

Abstract

This preprint develops a level-dependent interpretation of admissibility and compositional constraints within relational physical frameworks. Building on prior work establishing that local relational assignments together with accessibility structure are generally insufficient to determine unique cross-context composition outcomes, the paper examines how additional compositional constraints may be interpreted operationally across different descriptive levels. Rather than introducing new dynamical entities or modifying established physical theories, the framework treats admissibility and compositional constraints as structural conditions governing how relational information may be propagated, filtered, translated, and consistently composed across multiple interaction contexts. The work situates this interpretation relative to relational quantum mechanics, decoherence-based descriptions, gauge-theoretic transition structure, quantum information theory, relativistic causal structure, and distributed systems frameworks. Representative physical constraint classes discussed include causality, consistency, stability, equivalence preservation, and information-theoretic limitations. The framework is intentionally structural, interpretive, and ontology-neutral in scope. Its primary contribution is to clarify the role of admissibility and compositional constraints in maintaining compositionally consistent relational descriptions across distributed interaction contexts.

DOI
10.5281/zenodo.20402544

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This preprint develops a level-dependent interpretation of admissibility and compositional constraints within relational physical frameworks. Building on prior work establishing that local relational assignments together with accessibility structure are generally insufficient to determine unique cross-context composition outcomes, the paper examines how additional compositional constraints may be interpreted operationally across different descriptive levels. Rather than introducing new dynamical entities or modifying established physical theories, the framework treats admissibility and compositional constraints as structural conditions governing how relational information may be propagated, filtered, translated, and consistently composed across multiple interaction contexts. The work situates this interpretation relative to relational quantum mechanics, decoherence-based descriptions, gauge-theoretic transition structure, quantum information theory, relativistic causal structure, and distributed systems frameworks. Representative physical constraint classes discussed include causality, consistency, stability, equivalence preservation, and information-theoretic limitations. The framework is intentionally structural, interpretive, and ontology-neutral in scope. Its primary contribution is to clarify the role of admissibility and compositional constraints in maintaining compositionally consistent relational descriptions across distributed interaction contexts.
This paper develops a theory-neutral structural result concerning relational descriptions in physics. Many modern frameworks assign physical meaning through interactions rather than observer-independent intrinsic properties. This raises a general composition problem: if facts are generated locally within interaction contexts, what determines their coherent comparison across later chains or networks of interactions? Within a minimal framework of interacting systems, locally assigned relational facts, and maps between fact contexts, the paper establishes an interface necessity theorem: local fact assignments together with bare accessibility structure are not, in general, sufficient to determine unique cross-context composition outcomes whenever later comparison, inheritance, or aggregation of records is permitted. Some additional structure governing admissibility, translation, filtering, compatibility, or equivalence between relational fact spaces is generically required. This additional layer is termed interface structure and is used operationally rather than ontologically. No new force, hidden variable, or replacement dynamics is proposed. Instead, the result identifies a structural requirement linking local relationality to broader coherence. The paper discusses implications for relational quantum mechanics, decoherence-based narratives of record formation, Wigner-type multi-observer scenarios, and broader network descriptions of physical information. This work is related to the broader Horizons-as-Dynamical-Interface Framework (HDIF) program.
This paper presents a continuous structural ontology in which quantum mechanics, field theory, and general relativity are interpreted as regime-specific descriptions of a shared underlying system. Rather than introducing new forces or modifying established equations, the framework identifies three minimal and persistent structural elements across physical regimes: admissible configuration space, propagating constraint, and geometry as the macroscopic record of accumulated interaction. The work is intentionally interpretive rather than revisionary. It proposes that physical evolution can be understood as the propagation of constraint over admissible configurations, with increasing restriction giving rise to stable structure, classical behavior, and geometric curvature. Established mathematical formalisms—including Hilbert space, field equations, and general relativity—are preserved and reinterpreted within a common structural language. This framework aims to improve conceptual continuity across quantum, field, and geometric domains while remaining fully consistent with existing empirical results. It does not claim a complete formal unification, but instead offers a minimal ontological foundation that may clarify relationships between currently distinct theoretical descriptions. This paper forms part of the broader Communication Matrix research program.
Physical theories constrain systems through equations of motion, symmetries, boundary conditions, and variational principles. In many cases these constraints do not uniquely specify a single trajectory or configuration, but instead permit a family of admissible histories consistent with the same governing structure. This multiplicity is often treated implicitly, absorbed into formalism, or deferred to probabilistic interpretation. In this work, I introduce allowity as a diagnostic concept that characterizes the effective extent of admissible histories implied by a set of constraints, prior to any statistical weighting, measurement, or interpretation. Allowity is not randomness, uncertainty, freedom, or ignorance; it is a structural property of constraint-based descriptions. By making admissibility explicit, this framework clarifies how physical descriptions may remain stable despite non-uniqueness, or become brittle despite apparent determinism. The analysis is conservative and framework-neutral: it introduces no new dynamics and modifies no existing formalism.
This paper presents a structural interpretation of quantum entanglement within the Paton System framework. Entangled systems are described as sharing a constraint structure that governs admissibility jointly rather than independently. Admissibility is therefore evaluated at the level of the composite system rather than its individual components. Measurement outcomes in entangled systems reflect constraint-linked admissibility across the joint system. A measurement applied to one subsystem restricts the admissible configuration of the other through the shared constraint structure, without requiring signal transfer. This work does not modify quantum mechanics and introduces no new ontology. It provides a pre-theoretical structural lens in which entanglement is understood as shared constraint determining admissible configurations. It complements prior work on quantum state admissibility and quantum measurement as admissibility collapse without duplication.
Description This paper develops a formal calculus of admissible correlation, providing the technical backbone for a constraint-first approach to physical description. Building on a conceptual framework in which enforceability and finite correlation capacity are taken as primitive structural requirements, the present work makes these notions explicit, operational, and compositional. Correlations are treated as primitive relational constraints enforced across interfaces endowed with finite capacity. Admissibility is defined as joint enforceability under these capacity limits and is shown to be inherently non-closed under composition. Correlation capacity is formalized as a finite, interface-localized resource whose saturation and redistribution determine which correlation sets can coherently exist. This yields a precise, pre-dynamical criterion for physical feasibility that precedes probability, stability, and dynamical law. Within this calculus, regime transitions arise when admissible correlation sets change due to capacity reallocation rather than dynamical evolution. The ordered loss of descriptive structures—global states, subsystem factorization, metric geometry, and time itself—is characterized as a consequence of finite enforceability rather than as a breakdown of physical law. Geometry emerges as an efficient representation of coordination cost where capacity gradients are smooth, while entropy is identified with interface capacity governing record formation and exclusion. The calculus introduces no new dynamics, modifies no existing physical theories, and commits to no microscopic ontology. Its role is structural: to delineate the kinematic envelope within which any coherent physical dynamics must operate. Quantum mechanics and general relativity are shown to function as admissibility-preserving frameworks within the regimes where their descriptive assumptions remain enforceable. This work is intended to stand alone as a technical contribution while serving, together with its companion foundational paper, to clarify the limits of physical description and the conditions under which familiar physical structures emerge, persist, and fail. About the series. Admissibility Physics derives the Standard Model gauge group, fermion content, quantum formalism, Lorentzian spacetime, the Einstein field equations, the cosmological constant, and the neutrino, strong-CP, and dark sectors from a single assumption — that enforcement is finite at every causally connected region — with zero free parameters. The core derivation runs Papers 0–11; the extension papers carry the individual sectors. Each paper's main text and Technical Supplement is deposited separately, and every quantitative claim traces to a named, executable check in the public theorem bank (over 3,800 bank-registered theorems across roughly 450 modules, 48 quantitative predictions). Website: admissibilityphysics.com. Engine and theorem bank: https://github.com/Ethan-Brooke/APF-Engine. Full series and latest deposits: Zenodo community admissibility_physics. The Engine — Admissibility Physics: An Executable Constraint Framework and Constants Map — DOI 10.5281/zenodo.18529115. Paper 0 — What Physics Permits: A Constraint-First Framework for Physics — DOI 10.5281/zenodo.18439523 Paper 1 — The Enforceability of Distinction — DOI 10.5281/zenodo.18439200 Paper 2 — Finite Admissibility and the Failure of Global Description — DOI 10.5281/zenodo.18439274 Paper 3 — Entropy, Time, and Accumulated Cost — DOI 10.5281/zenodo.18439363 Paper 4 — Admissibility Constraints and Structural Saturation — DOI 10.5281/zenodo.18439397 Paper 5 — Quantum Structure from Finite Enforceability — DOI 10.5281/zenodo.18439433 Paper 6 — Dynamics and Geometry as Optimal Admissible Reallocation — DOI 10.5281/zenodo.18439445 Paper 7 — A Minimal Quantum of Action from Finite Admissibility — DOI 10.5281/zenodo.18439513 Paper 8 — The Admissibility-Capacity Ledger — DOI 10.5281/zenodo.19721384 Paper 9 — The Geometric Substrate as Cost Structure of Comparison Continuations — DOI 10.5281/zenodo.20041675 Paper 10 — The Calculus of Finite Continuability — DOI 10.5281/zenodo.20041680 Paper 11 — Forced Universality from Capacity-Bounded Admissibility — DOI 10.5281/zenodo.20684198 Paper 13 — The Minimal Admissibility Core — DOI 10.5281/zenodo.18361446 Paper 16 — Markov Breakdown and the Hard Problems — DOI 10.5281/zenodo.20684207 Paper 18 — The Electroweak Sector as a Capacity Equilibrium — DOI 10.5281/zenodo.20684209 Paper 20 — The Enforcement Crystal — DOI 10.5281/zenodo.18531732 Paper 24 — The Recruitment-Radius Extension — Foundations — DOI 10.5281/zenodo.20684211 Paper 28 — Absolute Mass Scales from Electroweak Capacity Saturation — DOI 10.5281/zenodo.20684215 Paper 29 — Plaquette Representation Dominance and Confinement — DOI 10.5281/zenodo.20684218 Paper 30 — A Tube Mechanism for the Lattice Mass Gap — DOI 10.5281/zenodo.20684220 Paper 31 — Osterwalder–Schrader Structure of Lattice Yang–Mills — DOI 10.5281/zenodo.20684222 Paper 33 — Trace-to-Scheme Export Architecture — DOI 10.5281/zenodo.20684224 Paper 35 — The Dark Sector as a Two-Role Capacity Decomposition — DOI 10.5281/zenodo.20684228 Paper 40 — The Thermodynamics of Finite Distinction (Between Symmetry and the Void) — DOI 10.5281/zenodo.20684235 Paper 41 — The Horizon as a Continuation Ledger — DOI 10.5281/zenodo.20684241 Paper 42 — The Weak Mixing Angle Is Not Free — DOI 10.5281/zenodo.20684245 Paper 43 — The Neutrino Sector — DOI 10.5281/zenodo.21194191 Paper 44 — What a Finite Theory Owes the Continuum — DOI 10.5281/zenodo.21195874 Paper 45 — What the Vacuum Can Keep — DOI 10.5281/zenodo.21194195 Paper 46 — The Strong CP Angle Is Not Free — DOI 10.5281/zenodo.21194197 Paper 47 — The Confinement Antecedent Is Not Forced — DOI 10.5281/zenodo.21194199 Technical Supplements cross-link to their main paper via isSupplementTo and to the engine via isDocumentedBy. Concept DOIs above resolve to the latest version. Author. Ethan Brooke, Independent Researcher, San Anselmo, California, USA. ORCID: 0009-0001-2261-4682 LinkedIn: linkedin.com/in/ethanbrooke GitHub: github.com/Ethan-Brooke Contact: brooke.ethan@gmail.com
AbstractWe investigate the minimal structural conditions under which relational accessibility organization admits a topological representation within physical description. Starting solely from the existence of distinguishable states and admissible comparison relations, we analyze how accessibility structures arise without introducing prior notions of space, geometry, metric structure, probability, or dynamics.Within the present framework, comparison between states is interpreted as a structural relation governing the accessibility of distinctions. The consistency requirements imposed on admissible comparisons induce preorder-like relational organization on the state space. We show that such comparison-induced accessibility structures admit neighborhood-like representations and may be organized in a form compatible with topological description.Importantly, the present framework does not interpret topology as a primitive geometric entity. Rather, topological structure is treated as a mathematical representation of relational accessibility induced by admissible comparison structure. In this perspective, neighborhood relations characterize accessibility coherence among distinguishable states rather than spatial proximity in a preexisting geometric manifold.We further show that equivalence structures associated with comparison naturally introduce classes of states that are indistinguishable within a given accessibility framework while remaining structurally distinct in the underlying state space. This provides a relational interpretation of local accessibility organization without invoking observer-dependent notions or externally imposed representational scales.The present work does not introduce new mathematical constructions. Instead, it identifies structural conditions under which topological representation becomes compatible with a minimal relational framework of physical description.