PP200904: Blutner, Reinhard (2009) Concepts and Bounded Rationality: An Application of Niestegge's Approach to Conditional Quantum Probabilities. [Report]

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Abstract
Recently, Gerd Niestegge developed a new approach to quantum mechanics via conditional probabilities developing the wellknown proposal to consider the Lüdersvon Neumann measurement as a nonclassical extension of probability conditionalization. I will apply his powerful and rigorous approach to the treatment of concepts using a geometrical model of meaning. In this model, instances are treated as vectors of a Hilbert space H. In the present approach there are at least two possibilities to form categories. The first possibility sees categories as a mixture of its instances (described by a density matrix). In the simplest case we get the classical probability theory including the Bayesian formula. The second possibility sees categories formed by a distinctive prototype which is the superposition of the (weighted) instances. The construction of prototypes can be seen as transferring a mixed quantum state into a pure quantum state freezing the probabilistic characteristics of the superposed instances into the structure of the formed prototype. Closely related to the idea of forming concepts by prototypes is the existence of interference effects. Such inference effects are typically found in macroscopic quantum systems and I will discuss them in connection with several puzzles of bounded rationality. The present approach nicely generalizes earlier proposals made by authors such as Diederik Aerts, Andrei Khrennikov, Ricardo Franco, and Jerome Busemeyer. Concluding, I will suggest that an active dialogue between cognitive approaches to logic and semantics and the modern approach of quantum information science is mandatory.
Item Type:  Report 

Report Nr:  PP200904 
Series Name:  Prepublication (PP) Series 
Year:  2009 
Uncontrolled Keywords:  Quantum Probabilities; Orthoalgebra; Bounded Rationality; Interference Effect 
Depositing User:  kblutne1 
Date Deposited:  12 Oct 2016 14:37 
Last Modified:  12 Oct 2016 14:37 
URI:  https://eprints.illc.uva.nl/id/eprint/334 
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