That was my initial reaction as well, but I think that isn't fair upon looking more closely. Equation 1 of their paper is a unifying equation such that differen

That was my initial reaction as well, but I think that isn't fair upon looking more closely. Equation 1 of their paper is a unifying equation such that different choices for the terms result in the various classical and new algorithms. I still wouldn't call it a periodic table, though.