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Topic: Re: Exchanging the order of summation
Replies: 3   Last Post: Nov 21, 2011 11:30 AM

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Joe keane

Posts: 15
Registered: 11/12/11
Re: Exchanging the order of summation
Posted: Nov 12, 2011 7:34 AM
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In article <>,
John Washburn  <> wrote:
> Are there conditions other than uniform convergence or absolut
> convergence, which permit the order of summation to interchanged?

It does work more often than you think.

These are *necessary* conditions, which is a lot more than *sufficient*
conditions, which so, so far i know, dosn't educate anyone.

If you figure out when this works then you have the greatest paper since
Johann Hermis.

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