英和和英

形容詞

hyperexponential (not comparable)

1. (数学, of an element "x") Having the property that δ(x)/x is in a specified set for all logarithmic derivatives δ.
   • 2016, José-Luis Pérez, Kazutoshi Yamazaki, “On the optimality of Periodic barrier strategies for a spectrally positive Lévy process”, in arXiv^[1]:

     In this context, Avanzi et al. [4] solved the case with i.i.d. hyperexponential jumps; they showed the optimality of a (periodic) barrier strategy where dividends are paid at dividend-decision times if and only if the surplus is above some level.

2. (数学) Pertaining to a hyperexponential distribution.