نتایج جستجو برای: additive function

تعداد نتایج: 1271902  

2004
P. ERDöS

The main topic of this lecture will be the study of the distribution function of additive arithmetical functions. Before proceeding with the subject I want to call attention to the excellent review of Kac 13 on this subject, were a very clear and detailed discussion of the interplay of probability and number theory is given. In the present review I try to emphasize those results which were not ...

2007
Joel L. Horowitz Enno Mammen

This paper discusses a nonparametric regression model that naturally generalizes neural network models. The model is based on a finite number of one-dimensional transformations and can be estimated with a one-dimensional rate of convergence. The model contains the generalized additive model with unknown link function as a special case. For this case, it is shown that the additive components and...

Journal: :Statistics in medicine 2007
Chenlei Leng Shuangge Ma

As a flexible alternative to the Cox model, the additive risk model assumes that the hazard function is the sum of the baseline hazard and a regression function of covariates. For right censored survival data when variable selection is needed along with model estimation, we propose a path consistent model selector using a modified Lasso approach, under the additive risk model assumption. We sho...

2009
Mariano López de Haro Douglas Henderson

A universality ansatz for the contact values of a multicomponent mixture of additive hard spheres is used to propose new formulae for the case of disparate-size binary mixtures. A comparison with simulation data and with a recent proposal by Alawneh and Henderson for binary mixtures shows reasonably good agreement with the predictions for the contact values of the large-large radial distributio...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 2012
Agnès Delahaies David Rousseau Jean-Baptiste Fasquel François Chapeau-Blondeau

For images, stochastic resonance or useful-noise effects have previously been assessed with low-level pixel-based information measures. Such measures are not sensitive to coherent spatial structures usually existing in images. As a result, we show that such measures are not sufficient to properly account for stochastic resonance occurring in visual perception. We introduce higher-level similari...

2008
Roswitha Hofer Friedrich Pillichshammer Gottlieb Pirsic

In analogy to ordinary q-additive functions based on q-adic expansions one may use Cantor expansions with a Cantor base Q to define (strongly) Q-additive functions. This paper deals with distribution properties of multi-dimensional sequences which are generated by such Q-additive functions. If in each component we have the same Cantor base Q, then we show that uniform distribution already impli...

Journal: :Journal of affective disorders 2015
Ronny Bruffaerts Ronald C Kessler Koen Demyttenaere Anke Bonnewyn Matthew K Nock

BACKGROUND Despite the fact that suicide is an important public health problem, the etiology is still not well understood. Especially lacking is a societal-level approach that takes into account the extent to which several risk factor domains are attributable to new onset of suicidal thoughts and behaviors (STB). METHODS Data stem from a cross-sectional population study of the non-institution...

2010
Marc J. Goovaerts Rob Kaas Roger J.A. Laeven

This note proves that risk measures obtained by applying the equivalent utility principle in rank-dependent utility are additive if and only if the utility function is linear or exponential and the probability weighting (distortion) function is the identity.

Journal: :Electr. J. Comb. 2013
Marc Chamberland Colin Johnson Alice Nadeau Bingxi Wu

New formulas for the multiplicative partition function are developed. Besides giving a fast algorithm for generating these partitions, new identities for additive partitions and the Riemann zeta function are also produced.

2016
STEPHAN WAGNER

A tree functional is called additive if it satisfies a recursion of the form F (T ) = ∑k j=1 F (Bj)+f(T ), where B1, . . . , Bk are the branches of the tree T and f(T ) is a toll function. We prove a general central limit theorem for additive functionals of d-ary increasing trees under suitable assumptions on the toll function. The same method also applies to generalised planeoriented increasin...

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