Quartic Curves Modulo 2

If m = l X n = O, we interchange z and z and have the case m = n = O, viz.: = X4 + 84 + Z + X2 82 + z2 Z2 + y2 Z2 + zyz2 The only bitangents are y = O, z = O and x = ry, where r is arbitrary. Their intersections are 1, 3, and (r 1 O), all being apices except the last for r2 + r + 1 = O, when (r 1 O) is a singular point. There are no further ................
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