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UBA - CienciaS • Ver Tema - [Resuelto...A GRANDES RASGOS] 26/10/2009 - 1er parcial
UBACS Q&A Foro WikiCS
Fecha actual 19 Abr 2024, 21:32

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 Asunto: [Resuelto...A GRANDES RASGOS] 26/10/2009 - 1er parcial
NotaPublicado: 27 Oct 2009, 02:56 
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Registrado: 28 Abr 2009, 23:55
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EJERCICIO 1:
Sea un cubrimiento por abiertos de [0,1]. Consideremos el conjunto Probar que es no vacío,acotado superiormente y que . Deducir que todo cubrimiento por abiertos de [0,1] admite un subcubrimiento finito.


EJERCICIO 2:
Calcular los cardinales de los siguientes conjutos:
(a)
(b)


EJERCICIO 3:
Sea un espacio métrico y sea un subconjunto de . Probar que es abierto para toda sucesión tal que existe tal que para todo


EJERCICIO 4:
Sea un espacio métrico no vacío. Para cada consideremos el conjunto Probar que:
a) para todo
b) Probar que es un espacio métrico, donde para algún y .
c) Probar que es separable


EJERCICIO 5:
Sea definida por .Probar que es un espacio métrico separable.


Última edición por starmathjd el 08 Nov 2009, 03:43, editado 4 veces en total

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 Asunto: Re: [No Resuelto] 26/10/2009 - 1er parcial -
NotaPublicado: 27 Oct 2009, 09:13 
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Registrado: 05 Jul 2008, 14:02
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Vi cosas parecidas al 2 recientemente en el foro (quiza en un mail de akd mia).



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