9 Oct
2003
9 Oct
'03
8:38 a.m.
{Q,+} (the rationals with the addition operator) is a group. How come the infinite sum of rationals is not then necessarily a member of this group, e.g. zeta(2)? Jon Perry perry@globalnet.co.uk http://www.users.globalnet.co.uk/~perry/maths/ http://www.users.globalnet.co.uk/~perry/DIVMenu/ BrainBench MVP for HTML and JavaScript http://www.brainbench.com