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Re: Isometries of closed disks





En el mensaje: [EMAIL PROTECTED],
matt grime <[EMAIL PROTECTED]> dijo:

> i had the same thought. however, that's not compact: pick some point
> at the end of a line segment with argument an irrational multiple of
> pi. it is the limit point of some sequence lying in your set
> (approximate the argument by rationals). hence it isn't closed, and
> isn't compact in the standard topology. (compact iff closed and
> bounded.)

Yes, you are right ... ":^((


-- 
Best regards,

Ignacio Larrosa Cañestro
A Coruña (España)
[EMAIL PROTECTED]





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