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Oct 18, 2011 at 23:26 vote accept Kevin Smith
Oct 18, 2011 at 19:22 answer added Greg Martin timeline score: 5
Oct 18, 2011 at 18:06 comment added Kevin Smith Ok, thanks Stopple. You needn't be confused- those characters are counter-examples, so I should allow for $l=0$ too. I will edit my question appropriately as I am trying to get at additional hypotheses that give a non-zero value for $l$.
Oct 18, 2011 at 17:16 comment added Stopple I'm sorry, but I'm confused. Why isn't any Dirichlet $L$-function attached to a character $\chi$ modulo $d$ a counterexample: $\sigma_c=0$, $\sigma_a=1$.
Oct 18, 2011 at 16:57 comment added Kevin Smith @ Stopple. Yes- take logs on both sides of ... and divide by $log x$ to get the formula for the corresponding abscissi of convergence. Thanks.
Oct 18, 2011 at 16:53 history edited Kevin Smith CC BY-SA 3.0
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Oct 18, 2011 at 16:49 comment added Stopple Can you elaborate on your 'which is equivalent to saying that ... for all multiplicative functions $f$' equation above?
Oct 18, 2011 at 16:37 history edited Kevin Smith CC BY-SA 3.0
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Oct 18, 2011 at 16:32 history asked Kevin Smith CC BY-SA 3.0