Re: FLTMA: A little group theory



Hm.

From x^p + y^p = z^p, p an odd prime, we have

G sub z = { w | gcd(w,z) = 1}
(x/y)^p == -1 mod z
(x/y)^(kp) == (-1)^(kp) mod z
(x/y)^(2p) == 1 mod z
2 divides |<x/y> in Z sub z|

and we want to show p is not an odd prime, contradicting p = an odd
prime from the primitive counterexample, to show there are no candidate
counterexamples and so no primitive counterexamples or counterexamples
to FLT.

It will suffice to show p = qr ,the product of primes q and r, or p =
2. We can call these cases case 1 and case 2

We have
(z/x)^p == 1 mod y
(z/y)^p == 1 mod x

and I wonder about

G sub xy { w | gcd(w,xy) = 1}, the group of number relatively prime to
xy.

gcd(x,y) ==> phi(xy) = phi(x)phi(y).

I think it's true that
(zx)^p == 1 mod xy and
(zy)^p == 1 mod xy.

I am not sure.

Doug

.



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