It is shown that an L function is unimodal if its Lévy spectral function has support on (-∞, 0] or on [ 0, ∞), and that this implies that every L function is the convolution of at most two unimodal L ...
This is a preview. Log in through your library . Abstract This paper studies a new class of Z-valued random variables, called beta unimodal, which are 'dot products' (in the sense of Steutel and van ...
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