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Topic: Invariant subspace problem solved?
Replies: 9   Last Post: Mar 6, 2013 7:34 AM

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Jose Carlos Santos

Posts: 4,896
Registered: 12/4/04
Re: Invariant subspace problem solved?
Posted: Jan 28, 2013 11:19 AM
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On 28-01-2013 15:35, David Bernier wrote:

>> I found several texts across the Internet stating that the Invariant
>> Subspace problem for Hilbert spaces was solved by Carl Cowen (USA) and
>> Eva Gallardo (Spain). However, each of these texts is written either in
>> Spanish or in Portuguese. This is rather odd, given the importance of
>> the problem. Did anyone around here read something about this subject?

> [...]
> I found something similar to what you found.
> From the "Real Sociedad Matemática Española" web-site, a 2013 meeting:
> "del 21 al 25 de Enero" 21-25 January?

Interesting. This site is the website of the Royal Spanish Mathematical
Society. It looks serious.

> I think they mention John von Neumann and the 1930s ...

Best regards,

Jose Carlos Santos

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