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 \line{\SC Temple University \hfil\sc Philadelphia,
 Pennsylvania 19122-2595}
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 \line{\sc Department of Mathematics
      \hfil     e-mail: {\tt zeilberg@math.temple.edu}}
\line{(215) 204--7287 (voice) \hfil (215) 204--6433 (Fax)}
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%       Date goes here ***********************************
Jan. 22, 2001 \hfil}
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{\obeylines
Professor Stephen J. Greenfield
Department of Mathematics
Rutgers University
New Brunswick, NJ 08901
}
 
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Dear Steve,
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This letter is in support of Mohamud Mohammed,
in support of his application to the graduate program
in the mathematics department at Rutgers.

Mohammed is currently my Ph.D. student, and I very much hope
that he will be able to transfer with me to Rutgers. 
He  currently has a research assistanship, paid by my
current NSF grant, that is scheduled to expire June 2001.
In my pending grant I have asked for a continuation.
If this materializes, then Mohamud will not need a TAship,
but if it does not, it would be nice if you would be also
able to offer him support.

I am very pleased with Mohamud, who is one of my best students ever.
He has a very solid background in traditional mathematics, and at the
same time is becoming a true computer-math whiz in the kind of math
that I am doing with computers. He has already made significant progress
towards his very challenging thesis problem, that of studying the
so-called WZ cohomology.

Mohamud has subbed for me several times in both my Freshman
Calculus class and advanced computer-algebra, and has done
a great job. So he is also a very good teacher.
I very much hope that he will be able to transfer to the
Rutgers math program, surely for convenience reason, but also
because the stimulating environment at Rutgers will help
him grow professionally.

If you have any further questions, I will be glad to answer them.
My phone numbers are (609)921-7873 (home), 
(215)204-7287 (office), and
my e-mail address is {\tt zeilberg@math.temple.edu} .
 
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  \hbox{Sincerely,}\vfil\hbox{Doron Zeilberger}\hbox{Professor of Mathematics}}
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