Joshuastein
Nov22-04, 05:05 AM
Does anyone know how to show that {(x,x): x in Z[1/p]} is discrete in product R x Q_p?
where Z is the set of integers, R the set of real numbers
Q_p the p-adic field and Z[1/p] the subring of Q_p generated by Z and 1/p
where Z is the set of integers, R the set of real numbers
Q_p the p-adic field and Z[1/p] the subring of Q_p generated by Z and 1/p