Results 11 to 20 of about 6,594 (144)

Multikey Fully Homomorphic Encryption: Removing Noise Flooding in Distributed Decryption via the Smudging Lemma on Discrete Gaussian Distribution

open access: yesIET Information Security
The current multikey fully homomorphic encryption (MKFHE) needs to add exponential noise in the distributed decryption phase to ensure the simulatability of partial decryption.
Xiaokang Dai, Wenyuan Wu, Yong Feng
doaj   +2 more sources

Optimising Control Device Luring Strategies for Invasive Predator Control: A Modelling Approach. [PDF]

open access: yesEcol Evol
Invasive predators pose a threat to native biodiversity, and their management is hindered by trap‐shyness. Using Bayesian estimation, researchers quantified trap‐shyness in wild brushtail possums, finding a large number of trap‐shy individuals with a low probability of trap interaction.
Vattiato G   +5 more
europepmc   +2 more sources

Second order subexponential distributions [PDF]

open access: yesJournal of the Australian Mathematical Society. Series A. Pure Mathematics and Statistics, 1991
AbstractThe class of subexponential distributionsSis characterized byF(0) = 0, 1 −F(2)(x) ~ 2(1 −F(x)) asx→ ∞. In this paper we consider a subclass ofSfor which the relation 1 −F(2)(x) − 2(1 −F(x)) + (1 −F(x))2=o(a(x)) asx→ ∞ holds, where α is a positive function satisfying α(X) = 0(1 −F(x)) (x→ ∞).
Geluk, J. L., Pakes, A. G.
openaire   +2 more sources

Some Approximate Results of Value-at-Risk for Dependent Compound Stochastic Sums of Heavy-Tailed Risks

open access: yesIEEE Access, 2020
According to in-depth research, a wide range of problems in applied science involve estimating the probability of compound stochastic sums of heavy-tailed risks over a large threshold.
Zhaoyang Lu
doaj   +1 more source

Multivariate subexponential distributions and their applications [PDF]

open access: yesExtremes, 2016
We propose a new definition of a multivariate subexponential distribution. We compare this definition with the two existing notions of multivariate subexponentiality, and compute the asymptotic behaviour of the ruin probability in the context of an insurance portfolio, when multivariate subexponentiality holds.
Samorodnitsky, Gennady, Sun, Julian
openaire   +2 more sources

Convolutions of Long-Tailed and Subexponential Distributions [PDF]

open access: yesJournal of Applied Probability, 2009
Convolutions of long-tailed and subexponential distributions play a major role in the analysis of many stochastic systems. We study these convolutions, proving some important new results through a simple and coherent approach, and also showing that the standard properties of such convolutions follow as easy consequences.
Foss, Sergey   +2 more
openaire   +2 more sources

Asymptotic tail behavior of phase-type scale mixture distributions [PDF]

open access: yes, 2015
We consider phase-type scale mixture distributions which correspond to distributions of a product of two independent random variables: a phase-type random variable $Y$ and a nonnegative but otherwise arbitrary random variable $S$ called the scaling ...
Rojas-Nandayapa, Leonardo, Xie, Wangyue
core   +3 more sources

Pathwise concentration bounds for Bayesian beliefs

open access: yesTheoretical Economics, Volume 18, Issue 4, Page 1585-1622, November 2023., 2023
We show that Bayesian posteriors concentrate on the outcome distributions that approximately minimize the Kullback–Leibler divergence from the empirical distribution, uniformly over sample paths, even when the prior does not have full support. This generalizes Diaconis and Freedman's (1990) uniform convergence result to, e.g., priors that have finite ...
Drew Fudenberg   +2 more
wiley   +1 more source

Hypergraph Ramsey numbers of cliques versus stars

open access: yesRandom Structures &Algorithms, Volume 63, Issue 3, Page 610-623, October 2023., 2023
Abstract Let Km(3)$$ {K}_m^{(3)} $$ denote the complete 3‐uniform hypergraph on m$$ m $$ vertices and Sn(3)$$ {S}_n^{(3)} $$ the 3‐uniform hypergraph on n+1$$ n+1 $$ vertices consisting of all n2$$ \left(\genfrac{}{}{0ex}{}{n}{2}\right) $$ edges incident to a given vertex.
David Conlon   +5 more
wiley   +1 more source

Impact of nonpharmacological interventions on COVID-19 transmission dynamics in India

open access: yesIndian Journal of Public Health, 2020
Background: As of May 4, 2020, India has reported 42,836 confirmed cases and 1,389 deaths from COVID-19. India's multipronged response included nonpharmacological interventions (NPIs) like intensive case-based surveillance, expanding testing capacity ...
Purvi Patel   +5 more
doaj   +1 more source

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