Results 31 to 40 of about 17,135,752 (243)
Mathematics, 2021 It has been increasingly reported that in biological tissues diffusion-weighted MRI signal attenuation deviates from mono-exponential decay, especially at high b-values.
Guangyu Dan +7 more
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Time averages in continuous-time random walks [PDF]
Physical Review E, 2017 6 pages, 2 ...
Thiel, Felix, Sokolov, Igor M.
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Individuals at the origin in the critical catalytic branching random walk [PDF]
Discrete Mathematics & Theoretical Computer Science, 2003 A continuous time branching random walk on the lattice $\mathbb{Z}$ is considered in which individuals may produce children at the origin only. Assuming that the underlying random walk is symmetric and the offspring reproduction law is critical we prove ...
Valentin Topchii, Vladimir Vatutin
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New Journal of Physics, 2020 We consider the emerging dynamics of a separable continuous time random walk (CTRW) in the case when the random walker is biased by a velocity field in a uniformly growing domain.
F Le Vot, E Abad, R Metzler, S B Yuste
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Frontiers in Water, 2021 Hydrodynamic dispersion process in relation with the geometrical properties of the porous media are studied in two sets of 6 porous media samples of porosity θ ranging from 0.1 to 0.25. These two sets of samples display distinctly different evolutions of
Philippe Gouze +3 more
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SOLUTE TRANSPORT MODELLING IN LOW-PERMEABILITY HOMOGENEOUS AND SATURATED SOIL MEDIA
Rudarsko-geološko-naftni Zbornik, 2021 Fickian and non-Fickian behaviors were often detected for contaminant transport activity owed to the preferential flow and heterogeneity of soil media. Therefore, using diverse methods to measure such composite solute transport in soil media has become ...
Muhammad Zaheer +5 more
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Superdiffusion in decoupled continuous time random walks [PDF]
Physics Letters A, 2001 9 pages (.tex file), 1 Postscript figures, uses revtex ...
Budde, C., Prato, D., Ré, M.
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Random walk in random environment with asymptotically zero perturbation [PDF]
, 2006 We give criteria for ergodicity, transience and null recurrence for the random walk in random environment on \Z+={0,1,2,…}, with reflection at the origin, where the random environment is subject to a vanishing perturbation.
Menshikov, Mikhail V., Wade, Andrew
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Patient treatment prediction by continuous time random walk inside complex system
MATEC Web of Conferences, 2018 Stochastic resonance model for medical patient condition is proposed. Approach has been generalized by means of fractional Fokker-Planck equation and subdiffusion processes.
Walczak Andrzej
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Continuous-time random walks and traveling fronts [PDF]
Physical Review E, 2002 We present a geometric approach to the problem of propagating fronts into an unstable state, valid for an arbitrary continuous-time random walk with a Fisher-Kolmogorov-Petrovski-Piskunov growth/reaction rate. We derive an integral Hamilton-Jacobi type equation for the action functional determining the position of reaction front and its speed.
Fedotov, Sergei; id_orcid 0000-0003-2722-4330 +1 more
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