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[Axiom-developer] symbolic summation beta
From: |
root |
Subject: |
[Axiom-developer] symbolic summation beta |
Date: |
Mon, 19 Jan 2004 15:53:01 -0500 |
Fabrizio,
>My previous work on Symbolic summation was related
>to hypergeometric symbolic summation and Zeilberger's algorithm,
>which I have implemented in Ma(cs/x)yma.
Can you send me a copy of the Maxima code for this?
>
>One of the people working on the book is
>Prof. Laureano Gonzalez-Vega (Santander, Spain).
>I will ask him about the status and let you know as soon as possible.
Have you been able to contact Laureano?
>
>I also mentioned the work of Carsten Schneider
>(Risc-Linz), who has improved and implemented Karr's algorithm
>in his Mathematica package (Sigma), which should now be available for
>download at the RISC site after writing an email to him or his boss (P.Paule).
>His improved and generalized version of Karr's algorithm is
>the most sophisticated summation tool. It resembles Risk's algorithm
>for symbolic integration.
I have copies of his papers but no code.
It is interesting work and we need to make a start on symbolic
summation in Axiom.
Tim
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