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→Definition of heavy-tailed distribution
That means
That means
<math>
<math>
\int_{-\infty}^\infty e^{t x} \,dF(x) = \infty \quad \mbox{for all } t>0.
\int_{-\infty}^\infty e^{t x} \,dF(x) = \infty \quad \mbox{for all } t>0.
</math>
</math>