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Old 2009-09-16, 16:51   #4
grandpascorpion
 
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Jan 2005
Transdniestr

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Thank you both for your feedback.

I wonder if a better tack would be to check if one (or more) of these polynomials (in three variables: n,d and k) can be factored into two smaller polynomials say g(n,d,k) and h(n,d,k).

By setting g(n,d,k) = h(n,d,k), perhaps I make some progress simplifying it(say by using substitution).

Is there a tool (preferably free or on-line) that can check if a multivariable polynomial is irreducible. I have PARI installed but it can only check/factor single-variable polynomials.

Could Magma handle something like that? I tried Wolfram Alpha but it exceeded the upper bound on query length.
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