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UBA - CienciaS :: Ver Tema - [Resuelto...A GRANDES RASGOS] 26/10/2009 - 1er parcial
UBA - CienciaS
http://ubacs.com.ar/ubacs/

[Resuelto...A GRANDES RASGOS] 26/10/2009 - 1er parcial
http://ubacs.com.ar/ubacs/viewtopic.php?f=178&t=1626
Página 1 de 1

Autor:  starmathjd [ 27 Oct 2009, 02:56 ]
Asunto:  [Resuelto...A GRANDES RASGOS] 26/10/2009 - 1er parcial

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.

Autor:  Quimey [ 27 Oct 2009, 09:13 ]
Asunto:  Re: [No Resuelto] 26/10/2009 - 1er parcial -

Vi cosas parecidas al 2 recientemente en el foro (quiza en un mail de akd mia).

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