نتایج جستجو برای: brownian movement

تعداد نتایج: 172658  

Journal: :Ecological applications : a publication of the Ecological Society of America 2009
Hall Sawyer Matthew J Kauffman Ryan M Nielson Jon S Horne

As habitat loss and fragmentation increase across ungulate ranges, identifying and prioritizing migration routes for conservation has taken on new urgency. Here we present a general framework using the Brownian bridge movement model (BBMM) that: (1) provides a probabilistic estimate of the migration routes of a sampled population, (2) distinguishes between route segments that function as stopov...

2005
Krzysztof Burdzy Davar Khoshnevisan

Let D be the Wiener sausage of width ε around two-sided Brownian motion. The components of 2-dimensional reflected Brownian motion in D converge to 1-dimensional Brownian motion and iterated Brownian motion, resp., as ε goes to 0.

1998
Krzysztof Burdzy Davar Khoshnevisan

Let D be the Wiener sausage of width " around two-sided Brownian motion. The components of 2-dimensional reeected Brownian motion in D converge to 1-dimensional Brownian motion and iterated Brownian motion, resp., as " goes to 0.

1997
Davar Khoshnevisan Thomas M. Lewis

(To Appear) Stochastic Calculus for Brownian Motion on a Brownian Fracture By Davar Khoshnevisan* & Thomas M. Lewis University of Utah & Furman University Abstract. The impetus behind this work is a pathwise development of stochastic integrals with respect to iterated Brownian motion. We also provide a detailed analysis of the variations of iterated Brownian motion. These variations are linked ...

1999
JUAN RUIZ DE CHAVEZ

We construct a Brownian path conditioned on its minimum value over a xed time interval by simple transformations of a Brownian bridge. Path transformations have proved useful in the study of Brownian motion and related processes , by providing simple constructions of various conditioned processes such as Brownian bridge, meander and excursion, starting from an unconditioned Brownian motion. As ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
Makoto Katori

Vicious Brownian motion is a diffusion scaling limit of Fisher's vicious walk model, which is a system of Brownian particles in one dimension such that if two motions meet they kill each other. We consider the vicious Brownian motions conditioned never to collide with each other and call it noncolliding Brownian motion. This conditional diffusion process is equivalent to the eigenvalue process ...

2009
Luc Devroye

We survey and develop exact random variate generators for several distributions related to Brownian motion, Brownian bridge, Brownian excursion, Brownian meander, and related restricted Brownian motion processes. Various parameters such as maxima and first passage times are dealt with at length. We are particularly interested in simulating process variables in expected time uniformly bounded ov...

In this study, a numerical examination of the significance of rotation and changeable gravitational field on the start of nanofluid convective movement in an anisotropic porous medium layer is shown. A model that accounts for the impact of Brownian diffusion and thermophoresis is used for nanofluid, while Darcy’s law is taken for the porous medium. The porous layer is subjected to uniform rotat...

Journal: :Journal of Taibah University for Science 2022

This investigation peruses the features of temperature and mass transport non-Newtonian third-order liquid over an absorbent convective shrinking sheet. The sheet is packed with silver nanoparticles. Buongiornos modelling uses a particular Brownian movement thermophoresis consequences using non-linear radiation. partial differential equations are changed to ordinary similarity transformations. ...

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