[EstudiantesMatemática]Fwd: Proximo seminario: Miércoles 14/9 a las 13.00 hs

[Rafael Potrie]

---------- Mensaje reenviado ----------
De: Nancy Guelman <nguelman en fing.edu.uy>
Fecha: 9 de septiembre de 2011 17:52
Asunto: Proximo seminario: Miércoles 14/9 a las 13.00 hs
Para: sisdin en fing.edu.uy



Hola!
Debido a que Keith Burns se ofreció a dar otra charla, haremos una "sesión
extraordinaria" del  seminario el próximo miércoles a las 13.00 hs.
Nos vemos
Nancy


 A simple proof of Sharkovsky's theorem
>
> Abstract:
>
> In the 1960s Sharkovsky proved a remarkable theorem that completely
> describes which sets of numbers can be the least periods of the periodic
> orbits of a continuous map of an interval to itself.
> Sharkovsky's proof was elementary --- it uses nothing more than the
> intermediate value property of continuous functions --- but it was far
> simple. Modern versions of the proof are both elementary and simple. I
> shall present the simplest proof that I know. It is a joint work with
> Boris Hasselblatt.
>
>



-- 
Rafael Potrie
rafaelpotrie en gmail.com
http://www.cmat.edu.uy/~rpotrie/
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