Fekete's Lemma states that if {a_n} is a real sequence and a_(m + n) <= a_m + a_n, then one of the following two situations occurs:(adsbygoogle = window.adsbygoogle || []).push({});

a.) {(a_n) / n} converges to its infimum as n approaches infinity

b.) {(a_n) / n} diverges to - infinity.

I'm trying to figure out a way to show either of these things happen but can't seem to do it. Does anyone have the proof of this or have suggestions to go about proving it.

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# On Fekete's Lemma

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