Results 41 to 50 of about 1,809,097 (279)

Critical dimensions for random walks on random-walk chains [PDF]

open access: yesPhysical Review E, 1996
The probability distribution of random walks on linear structures generated by random walks in $d$-dimensional space, $P_d(r,t)$, is analytically studied for the case $ξ\equiv r/t^{1/4}\ll1$. It is shown to obey the scaling form $P_d(r,t)=ρ(r) t^{-1/2} ξ^{-2} f_d(ξ)$, where $ρ(r)\sim r^{2-d}$ is the density of the chain. Expanding $f_d(ξ)$ in powers of
Rabinovich S.   +3 more
openaire   +3 more sources

The Dirichlet random walk

open access: yesAnnales Henri Lebesgue, 2022
In this article we define and study a stochastic process on Galoisian covers of compact manifolds. The successive positions of the process are defined recursively by picking a point uniformly in the Dirichlet domain of the previous one.
Boulanger, Adrien, Glorieux, Olivier
openaire   +4 more sources

Heterogeneous Network Embedding Based on Random Walks of Type and Inner Constraint

open access: yesMathematics, 2022
In heterogeneous networks, random walks based on meta-paths require prior knowledge and lack flexibility. On the other hand, random walks based on non-meta-paths only consider the number of node types, but not the influence of schema and topology between
Xiao Chen   +5 more
doaj   +1 more source

Branching Random Walks in a Random Killing Environment with a Single Reproduction Source

open access: yesMathematics
We consider a continuous-time branching random walk on Z in a random non-homogeneous environment. The process starts with a single particle at initial time t=0.
Vladimir Kutsenko   +2 more
doaj   +1 more source

Mussels realize Weierstrassian Levy walks as composite correlated random walks [PDF]

open access: yes, 2014
Composite correlated random walks (CCRW) have been posited as a potential replacement for Levy walks and it has also been suggested that CCRWs have been mistaken for Levy walks.
Reynolds, A. M., Reynolds, Andy
core   +1 more source

Area of Brownian Motion with Generatingfunctionology [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2003
This paper gives a survey of the limit distributions of the areas of different types of random walks, namely Dyck paths, bilateral Dyck paths, meanders, and Bernoulli random walks, using the technology of generating functions only.
Michel Nguyên Thê
doaj   +1 more source

On multiple-particle continuous-time random walks

open access: yesJournal of Applied Mathematics, 2004
Scaling limits of continuous-time random walks are used in physics to model anomalous diffusion in which particles spread at a different rate than the classical Brownian motion.
Peter Becker-Kern   +1 more
doaj   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo   +5 more
wiley   +1 more source

Self-Interacting Random Walks: Aging, Exploration, and First-Passage Times

open access: yesPhysical Review X, 2022
Self-interacting random walks are endowed with long-range memory effects that emerge from the interaction of the random walker at time t with the territory that it has visited at earlier times t^{′}
A. Barbier-Chebbah   +2 more
doaj   +1 more source

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

open access: yesFEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri   +5 more
wiley   +1 more source

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