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The paper deals with the virtual model of the 3d generation Bulgarian mainframe computer ES1020 B, which is a part of the virtual computer museum of FMI- Shumen University. This model is important for presentation of the history of Computing in Bulgaria at the beginning of the corresponded educational courses for students in this University. The model of… (More)
In this paper we classify endofunctors on the simplex category , and we identify those that induce weak equivalence preserving functors on the category of simplicial sets.