Resumo

GARCIA G, María J; HERNANDEZ R, José G  e  HERNANDEZ G, Gilberto J. The decreasing digits and the a, b, c model: a proposal for handling populations in shelters. Rev. Mat [online]. 2011, vol.18, n.1, pp.163-175. ISSN 1409-2433.

Happened a catastrophe, some one of the impacted population should their move from  its homes, toward refuges or shelters. To guarantee the essential services in the  shelter, it is necessary to know the population size that remain in it, knowing that it  will be a random number and that it responds mainly to rate the arrival and departure people. Since the arrivals and exits can be visualized as birth and dead process, it has  been planned to emulate this situation making use of the sequences that are derived of  two very simple concepts: The Decreasing digits (Dd) and the A, B, C model. The  contribution of this work is their objective: To show like one can make use of the  derived expressions of the A, B, C model and the decreasing digits, to obtain a  population estimation that remains in a shelter, as consequence of a catastrophe.

Palavras-chave : decreasing digits; A, B, C model; social problems; shelters.

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