FYI HN ate the unicode glyphs you used for adele and the superscript 3. Also, yes I could have said "real algebraic" to be more clear. But no one says "real ra

FYI HN ate the unicode glyphs you used for adele and the superscript 3. Also, yes I could have said "real algebraic" to be more clear. But no one says "real rational" or "real integer" when that's what they mean :-) And in the 2D plane, you can usually cast a subspace of 2D reals as a subspace of 1-cooridinate complex numbers.