Monday, July 4, 2011

?? so ... consider endomorphism of projective variety "y^2 = x^3-x" coming from ...
?? x |-> 1+x / 1-x ... ????

ax+b / cx+d

a/c = -1

b/d = +1

a+b / c+d = infinity

x+1 / -x+1



cubes in f_2 =

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