نتایج جستجو برای: evy processes

تعداد نتایج: 528480  

Journal: :مجله علوم اعصاب شفای خاتم 0
christopher spering a. research center for childhood accidents at safe kids austria, medical university of graz, graz, austria b. department of pediatric surgery & department of accident research and injury prevention, graz, austria

demographic changes in germany show the fastest progress of all european countries and are not only influencing socioeconomic issues but also the management of patients with their individual risc profile. especially severely injured elderly constitute a group of patients who need specific attention due to their individual age related pathophysiological processes. 21% of the german population we...

Journal: :Universe 2023

Femtoscopy has the capacity to probe space-time geometry of particle-emitting source in heavy-ion collisions. In particular, femtoscopy like-sign kaon-pairs may shed light on origin non-Gaussianity spatial emission probability density. The momentum-correlations between are, hence, measured data recorded by STAR experiment, from $\sqrt{s_{_{\rm NN}}} = 200$ GeV $\mathrm{Au}+\mathrm{Au}$ collisio...

Journal: :international journal of health policy and management 0
maarten p. jansen radboud institute for health sciences, radboud university medical center, nijmegen, the netherlands jan-kees helderman institute for management research, radboud university, nijmegen, the netherlands bert boer institute of health policy and management, erasmus university rotterdam, rotterdam, the netherlands rob baltussen radboud institute for health sciences, radboud university medical center, nijmegen, the netherlands

embedding health technology assessment (hta) in a fair process has great potential to capture societal values relevant to public reimbursement decisions on health technologies. however, the development of such processes for priority setting has largely been theoretical. in this paper, we provide further practical lead ways on how these processes can be implemented. we first present the misconce...

Journal: :Physical review 2021

The Caldeira-Leggett model of quantum Brownian motion is generalized using a generic velocity-dependent coupling. That leads to the description set models able capture Markovian and non-Markovian versions L\'evy statistics, depending on functional form coupling spectral function reservoir. One specific force found that establishes connection with statistics cold atoms in \textit{Sisyphus} laser...

Journal: :Physical review 2022

Realizing sizeable Dzyaloshinskii-Moriya interaction (DMI) in intrinsic two-dimensional (2D) magnets without any manipulation will greatly enrich potential application of spintronics devices. The simplest and most desirable situation should be 2D with DMI chiral spin textures. Here, we propose to realize by designing periodic ripple structures different curvatures low-dimensional demonstrate th...

Journal: :ALEA-Latin American Journal of Probability and Mathematical Statistics 2021

In this paper, we introduce and study a convoluted version of the time fractional Poisson process by taking discrete convolution with respect to space variable in system differential equations that governs its state probabilities. We call introduced as (CFPP). The explicit expression for Laplace transform probabilities are obtained whose inversion yields one-dimensional distribution. Some stati...

2013
Els Heinsalu Emilio Hern'andez-Garcia Crist'obal L'opez

The competition between two ecologically similar species that use the same resources and differ from each other only in the type of spatial motion they undergo is studied. The latter is assumed to be described either by Brownian motion or Lévy flights. Competition is taken into account by assuming that individuals reproduce in a density-dependent fashion. It is observed that no influence of the...

2014
Marie Auger-M'eth'e Andrew E. Derocher Michael J. Plank Edward A. Codling Mark A. Lewis

1. Understanding how to find targets with incomplete information is a topic of interest in many disciplines. In ecology, the development of the Lévy and area-restricted search (ARS) strategies are emerging as important areas of research. Although the processes underlying these strategies differ, they can produce similar movement patterns. Current methods cannot reliably differentiate between th...

Journal: :iranian journal of science and technology (sciences) 2004
m. q. vahidi-asl

in the analysis of spatial point patterns, complete spatial randomness (csr) hypothesis,which is a restriction of a homogenous poisson process to study region a, operates as a dividinghypothesis between “regular” and “aggregated” patterns. meanwhile, many alternatives to csr inaggregated patterns are extensions of homogenous poisson processes themselves. therefore, when thecsr hypothesis is rej...

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