43 33 v 2 [ qu an tph ] 2 7 D ec 2 00 7 Projective Ring Line of a Specific Qudit

A very particular connection between the commutation relations of the elements of the generalized Pauli group of a d-dimensional qudit, d being a product of distinct primes, and the structure of the projective line over the (modular) ring Zd is established, where the integer exponents of the generating shift (X) and clock (Z) operators are associated with… (More)