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MathGroup Archive 2003

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Re: Re: Re: Integration


Do you have some basis for doubting the correctness of the Risch 
algorithm?

(Risch's work is described in a long paper in Transactions of Amer. 
Math. Soc. and a shorter one in Bull. Amer. Math. Soc., both around 
1969-70.  It's been a while since I've looked at those; I did not check 
all the proofs myself.)

Andrzej Kozlowski wrote:

> Personally I am not even convinced that Risz's the algorithm correct. 
> You obviously seem to know a better one so you would do everyone a 
> favor if you implemented it for us, ort at least described it as a 
> sequence of implementable steps. Now that's a challenge worth taking 
> up.

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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