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Characterization of discriminator varieties |
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| Authors: | Diego Vaggione |
| Institution: | Facultad de Matemática, Astronomía y Física (FaMAF), Universidad Nacional de Córdoba - Ciudad Universitaria Córdoba 5000, Argentina |
| Abstract: | We prove that a variety |
| Keywords: | |
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is a discriminator variety if and only if 
has the Fraser-Horn property and every member of 
is representable as a Boolean product whose factors are directly indecomposable or trivial.