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The exp-normal distribution is infinitely divisible

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arxiv 1803.09838 v1 pith:FGLPI33G submitted 2018-03-06 math.PR

classification math.PR
keywords distributiondivisibleinfinitelynormalstandardconsideredequivalentlyexp-normal
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abstract

Let $Z$ be a standard normal random variable (r.v.). It is shown that the distribution of the r.v. $\ln|Z|$ is infinitely divisible; equivalently, the standard normal distribution considered as the distribution on the multiplicative group over $\mathbb{R}\setminus\{0\}$ is infinitely divisible.

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  1. Deep Weight Factorization: Sparse Learning Through the Lens of Artificial Symmetries

    cs.LG 2025-02 conditional novelty 6.0 of 10

    Factorizing weights into D≥2 multiplicative factors and applying L2 weight decay induces a non-convex sparse L2/D penalty, and with tailored initialization and learning rates, achieves superior sparsity-accuracy tradeoffs.

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