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Sum of observables in fuzzy quantum spaces. (English) Zbl 0753.60005
It is introduced the sum of observables in fuzzy quantum space. The existence of this sum is proved. Properties of the defined notion are shown.

60A99 Foundations of probability theory
81P10 Logical foundations of quantum mechanics; quantum logic (quantum-theoretic aspects)
03E72 Theory of fuzzy sets, etc.
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