Revisiting the Interpretations of Quantum Mechanics: From FAPP Solutions to Contextual Ontologies
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866908793392070656 |
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| author | Grangier, Philippe |
| author_facet | Grangier, Philippe |
| contents | This note presents a concise and non-polemical comparison of several major interpretations of quantum mechanics, with a particular emphasis on the distinction between FAPP-solutions ("For All Practical Purposes'') versus ontological solutions to the measurement problem. Building on this distinction, we argue that the Contexts-Systems-Modalities (CSM) framework, supplemented by the operator-algebraic description of macroscopic contexts, provides a conceptually complete, non-FAPP ontology that naturally incorporates irreversibility and the physical structure of measurement devices. This approach differs significantly from other ontological interpretations such as Bohmian mechanics, spontaneous collapse, or many-worlds, and highlights the major role of contextual quantization in shaping quantum theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_20488 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Revisiting the Interpretations of Quantum Mechanics: From FAPP Solutions to Contextual Ontologies Grangier, Philippe Quantum Physics History and Philosophy of Physics This note presents a concise and non-polemical comparison of several major interpretations of quantum mechanics, with a particular emphasis on the distinction between FAPP-solutions ("For All Practical Purposes'') versus ontological solutions to the measurement problem. Building on this distinction, we argue that the Contexts-Systems-Modalities (CSM) framework, supplemented by the operator-algebraic description of macroscopic contexts, provides a conceptually complete, non-FAPP ontology that naturally incorporates irreversibility and the physical structure of measurement devices. This approach differs significantly from other ontological interpretations such as Bohmian mechanics, spontaneous collapse, or many-worlds, and highlights the major role of contextual quantization in shaping quantum theory. |
| title | Revisiting the Interpretations of Quantum Mechanics: From FAPP Solutions to Contextual Ontologies |
| topic | Quantum Physics History and Philosophy of Physics |
| url | https://arxiv.org/abs/2601.20488 |