On the Algorithmic Factorization of Characteristic Morphisms in Topoi

In classical topos theory, the classification of subobjects is achieved directly via a characteristic morphism to the subobject classifier Omega. In this paper, we introduce an internal categorical framework that defers this direct logical assignment by factoring the characteristic morphism through an intermediate computational space. We define the Algorithm Space as an Eilenberg-Moore algebra over a finitary monad T. This factorization strictly separates the computational evaluation (the algorithm) from the structural logical assignment (the judgment). The framework is subsequently modeled within the topos of presheaves, strictly adhering to constructive logic and finite algorithmic paths. [email protected]

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-06-25
DOI
https://doi.org/10.5281/zenodo.20927558
Primary Topic
Logic, programming, and type systems
Type
preprint
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preprint

On the Algorithmic Factorization of Characteristic Morphisms in Topoi

Omar M'NARI‬‎
Zenodo (CERN European Organization for Nuclear Research)
Logic, programming, and type systems
preprint

On the Algorithmic Factorization of Characteristic Morphisms in Topoi

Omar M'NARI‬‎
preprint en

Abstract

In classical topos theory, the classification of subobjects is achieved directly via a characteristic morphism to the subobject classifier Omega. In this paper, we introduce an internal categorical framework that defers this direct logical assignment by factoring the characteristic morphism through an intermediate computational space. We define the Algorithm Space as an Eilenberg-Moore algebra over a finitary monad T. This factorization strictly separates the computational evaluation (the algorithm) from the structural logical assignment (the judgment). The framework is subsequently modeled within the topos of presheaves, strictly adhering to constructive logic and finite algorithmic paths. [email protected]

Zenodo (CERN European Organization for Nuclear Research)
Logic, programming, and type systems
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