A non-dualisable entropic algebra |
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| Authors: | J. G. Pitkethly B. A. Davey |
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| Affiliation: | (1) La Trobe University, Victoria 3086, Australia, e-mail: J.Pitkethly@latrobe.edu.au, AU;(2) La Trobe University, Victoria 3086, Australia, e-mail: B.Davey@latrobe.edu.au, AU |
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| Abstract: | We give an example of a five-element unary algebra which is entropic but does not admit a natural duality. Received September 26, 2000; accepted in final form April 4, 2001. |
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| Keywords: | and phrases: Natural duality entropic algebra unary algebra ghost element method. |
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