Abstract
It is standardly assumed in discussions of quantum theory that physical systems can be regarded as having well-defined Hilbert spaces. It is shown here that a Hilbert space can be consistently partitioned only if its components are assumed not to interact. The assumption that physical systems have well-defined Hilbert spaces is, therefore, physically unwarranted.
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Fields, C. Consistent Quantum Mechanics Admits No Mereotopology. Axiomathes 24, 9–18 (2014). https://doi.org/10.1007/s10516-012-9202-3
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DOI: https://doi.org/10.1007/s10516-012-9202-3