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2026
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| Acceso en línea: | https://doi.org/10.5281/zenodo.18517923 |
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| _version_ | 1866901598741987328 |
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| author | Mousel, John |
| author_facet | Mousel, John |
| contents | <p>This paper examines a structural consequence of admissibility when formulated as a restriction on realizable trajectories. Building on earlier work in the series, admissibility is treated as a constraint on which trajectories are allowed to occur, rather than as a modification of the governing dynamics.</p> <p> </p> <p>Given a continuous-time semigroup on a metric space and a designated universe of states, an admissibility operator is defined on subsets by retaining only those initial conditions whose forward trajectories remain within the subset. Under this definition, the operator is shown to be monotone and idempotent. As a consequence, admissibility induces a preorder on subsets of the universe of states and a partial order on closure-equivalence classes. The family of admissible-closed sets is shown to admit a lattice structure under intersection and admissible closure of unions.</p> <p> </p> <p>The results are structural and order-theoretic in nature. No physical interpretation is assumed, and no claim is made beyond what follows from the stated definitions. This paper is intended as a foundational component of a broader program, isolating the organizational consequences of admissibility prior to any application or interpretation.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18517923 |
| institution | Zenodo |
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| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Admissibility-Induced Structure on State Space Mousel, John <p>This paper examines a structural consequence of admissibility when formulated as a restriction on realizable trajectories. Building on earlier work in the series, admissibility is treated as a constraint on which trajectories are allowed to occur, rather than as a modification of the governing dynamics.</p> <p> </p> <p>Given a continuous-time semigroup on a metric space and a designated universe of states, an admissibility operator is defined on subsets by retaining only those initial conditions whose forward trajectories remain within the subset. Under this definition, the operator is shown to be monotone and idempotent. As a consequence, admissibility induces a preorder on subsets of the universe of states and a partial order on closure-equivalence classes. The family of admissible-closed sets is shown to admit a lattice structure under intersection and admissible closure of unions.</p> <p> </p> <p>The results are structural and order-theoretic in nature. No physical interpretation is assumed, and no claim is made beyond what follows from the stated definitions. This paper is intended as a foundational component of a broader program, isolating the organizational consequences of admissibility prior to any application or interpretation.</p> |
| title | Admissibility-Induced Structure on State Space |
| url | https://doi.org/10.5281/zenodo.18517923 |