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I would like to ask whether is used some name for functions $g:A\to\mathbb{R}$, $A\subset \mathbb{R}$, for which $$\exists \lambda>1:\;\; \lim_{x\to 0^+}\frac{\lambda g(x)}{g(\lambda x)}>1.$$

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  • $\begingroup$ What is A ? And RA ? $\endgroup$
    – David Roberts ♦
    Commented Dec 1, 2012 at 11:43
  • $\begingroup$ Let just $A=[0,1]$ $\endgroup$
    – user27381
    Commented Dec 1, 2012 at 15:52

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