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Physics of Difference VIII: Necessity of Additive Representation under Reduction Obstruction

Yasuaki Tamura

Published May 17, 2026• 0 citations
Publisher

Abstract

The present work investigates the representational consequences of realization-dependent accessibility organization under globally incomplete endpoint reduction. The preceding papers of the Physics of Difference series established that admissible realizations connecting identical endpoint accessibility relations may nevertheless remain compositionally distinguishable within realization organization itself. In particular, realization-dependent distinctions may remain globally persistent whenever endpoint reduction fails to extend to a globally compatible compositional reduction structure.Under such conditions, endpoint accessibility relations no longer provide a structurally complete representation of realization organization. The present analysis therefore investigates what representational organization becomes necessary once realization multiplicity remains irreducible under endpoint accessibility reduction.The analysis shows that any representation framework preserving realization organization faithfully must simultaneously support realization distinguishability, compositional compatibility, multiplicity-preserving aggregation, decomposability, and recombinational stability. These constraints naturally motivate additive decomposable representation.Importantly, additive representation is not introduced as an independent quantum-theoretic postulate. Rather, it emerges structurally as a multiplicity-preserving response to reduction obstruction itself.The resulting framework admits several quantum-like organizational features. In particular, realization composition induces residual compositional organization, manifest accessibility restriction generates projection-like representational structure, and compatibility-preserving aggregation admits naturally emerging quadratic organizational forms.At the same time, the framework remains intentionally weaker than conventional quantum mechanics. The present analysis does not assume or derive Hilbert-space structure, Schrödinger dynamics, unitary evolution, or Born-rule probability interpretation.The framework should therefore be interpreted not as a reconstruction of quantum mechanics itself, but as the identification of minimal representational conditions under which quantum-like organizational structure begins to emerge from irreducible realization multiplicity under compositional accessibility organization.

DOI
10.5281/zenodo.20249623

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The present work investigates the representational consequences of realization-dependent accessibility organization under globally incomplete endpoint reduction. The preceding papers of the Physics of Difference series established that admissible realizations connecting identical endpoint accessibility relations may nevertheless remain compositionally distinguishable within realization organization itself. In particular, realization-dependent distinctions may remain globally persistent whenever endpoint reduction fails to extend to a globally compatible compositional reduction structure.Under such conditions, endpoint accessibility relations no longer provide a structurally complete representation of realization organization. The present analysis therefore investigates what representational organization becomes necessary once realization multiplicity remains irreducible under endpoint accessibility reduction.The analysis shows that any representation framework preserving realization organization faithfully must simultaneously support realization distinguishability, compositional compatibility, multiplicity-preserving aggregation, decomposability, and recombinational stability. These constraints naturally motivate additive decomposable representation.Importantly, additive representation is not introduced as an independent quantum-theoretic postulate. Rather, it emerges structurally as a multiplicity-preserving response to reduction obstruction itself.The resulting framework admits several quantum-like organizational features. In particular, realization composition induces residual compositional organization, manifest accessibility restriction generates projection-like representational structure, and compatibility-preserving aggregation admits naturally emerging quadratic organizational forms.At the same time, the framework remains intentionally weaker than conventional quantum mechanics. The present analysis does not assume or derive Hilbert-space structure, Schrödinger dynamics, unitary evolution, or Born-rule probability interpretation.The framework should therefore be interpreted not as a reconstruction of quantum mechanics itself, but as the identification of minimal representational conditions under which quantum-like organizational structure begins to emerge from irreducible realization multiplicity under compositional accessibility organization.
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Abstract We investigate the minimal structural conditions under which representational accessibility and irreversibility-like asymmetry arise in physical description. Starting solely from the existence of distinguishable states and a class of admissible transformations, we analyze how accessibility of distinctions changes under non-injective representational updates without introducing prior notions of space, time, probability, measurement, or thermodynamic structure.Admissible non-injective transformations naturally induce equivalence relations on the state space, leading to a distinction between manifest difference, corresponding to representationally accessible distinctions, and latent difference, corresponding to distinctions that remain structurally present but inaccessible within a given representation. We show that accessibility and recoverability of distinctions are determined intrinsically by the admissible transformation structure itself rather than by externally imposed observational limitations or representational scales.A central result of the framework is that irreversibility-like asymmetry arises when latent distinctions become non-recoverable within the admissible transformation class. In this perspective, irreversibility-like behavior is interpreted not as a consequence of probabilistic uncertainty or thermodynamic entropy increase, but as a structural restriction on recoverability of representational accessibility.The present work does not introduce new mathematical constructions. Rather, it provides a conceptual reinterpretation of equivalence structures, representational accessibility, and recoverability within a minimal framework of physical description. This framework identifies structural preconditions for accessibility restriction and recoverability failure prior to the introduction of statistical, thermodynamic, or observer-dependent assumptions.
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