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A dynamical approach to compatible and incompatible questions. (English) Zbl 07568307

Summary: We propose a natural strategy to deal with compatible and incompatible binary questions, and with their time evolution. The strategy is based on the simplest, non-commutative, Hilbert space \(\mathcal{H} = \mathbb{C}^2\), and on the (commuting or not) operators on it. As in ordinary Quantum Mechanics, the dynamics is driven by a suitable operator, the Hamiltonian of the system. We discuss a rather general situation, and analyse the resulting dynamics if the Hamiltonian is a simple Hermitian matrix.

MSC:

91B06 Decision theory
81P05 General and philosophical questions in quantum theory

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