Results 21 to 30 of about 3,485 (230)

Strong anomalous diffusion in two-state process with Lévy walk and Brownian motion

open access: yesPhysical Review Research, 2020
Strong anomalous diffusion phenomena are often observed in complex physical and biological systems, which are characterized by the nonlinear spectrum of exponents qν(q) by measuring the absolute qth moment 〈|x|^{q}〉.
Xudong Wang, Yao Chen, Weihua Deng
doaj   +1 more source

A Complex Model via Phase-Type Distributions to Study Random Telegraph Noise in Resistive Memories

open access: yesMathematics, 2021
A new stochastic process was developed by considering the internal performance of macro-states in which the sojourn time in each one is phase-type distributed depending on time.
Juan E. Ruiz-Castro   +3 more
doaj   +1 more source

The Moments of Stochastic Integrals and the Distribution of Sojourn Times [PDF]

open access: yesProceedings of the National Academy of Sciences, 1974
For a single diallelic locus in a finite population with any time-independent selection scheme, using the diffusion approximation, a formula is derived in terms of sojourn times for the moments of the integral of an arbitrary function of gene frequency along sample paths.
openaire   +2 more sources

The MAP/PH/N/∞ Queueing-Inventory System With Demands From a Random Environment

open access: yesIEEE Access, 2022
This study investigates a multi-server queueing-inventory system in a random environment. The system has an unlimited waiting space and an inventory capacity of $S$ units.
N. Anbazhagan   +6 more
doaj   +1 more source

Effect of Ergodic and Non-Ergodic Fluctuations on a Charge Diffusing in a Stochastic Magnetic Field

open access: yesEntropy, 2021
In this paper, we study the basic problem of a charged particle in a stochastic magnetic field. We consider dichotomous fluctuations of the magnetic field where the sojourn time in one of the two states are distributed according to a given waiting-time ...
Gerardo Aquino   +2 more
doaj   +1 more source

On the Optimal Identification of Tag Sets in Time-Constrained RFID Configurations

open access: yesSensors, 2011
In Radio Frequency Identification facilities the identification delay of a set of tags is mainly caused by the random access nature of the reading protocol, yielding a random identification time of the set of tags.
Juan Manuel Pérez-Mañogil   +4 more
doaj   +1 more source

Sojourn times in Jackson networks [PDF]

open access: yes, 2012
Jackson queuing networks have a lot of practical applications, mainly in the modelling of computation and telecommunications networks. Evidently the time that one customer - a person, a job, a message … – spends in this kind of systems, its sojourn time,
Ferreira, Manuel Alberto M.   +1 more
core   +2 more sources

On the Equilibrium in a Queuing System with Retrials and Strategic Arrivals

open access: yesMathematics, 2023
This paper considers a callback single-server system with an orbit and a First-Come First-Served (FCFS) service discipline. Customers (users, clients) that encounter a busy server are sent into orbit and then have the option to retry service after an ...
Alexandra Borodina, Vladimir Mazalov
doaj   +1 more source

Effect of sojourn time distributions on the early dynamics of COVID-19 outbreak

open access: yesNonlinear Dynamics, 2023
Compartmental models are commonly used in practice to investigate the dynamical response of infectious diseases such as the COVID-19 outbreak. Such models generally assume exponentially distributed latency and infectiousness periods. However, the exponential distribution assumption fails when the sojourn times are expected to distribute around their ...
Huseyin Tunc   +2 more
openaire   +3 more sources

Simulation of epidemic models with generally distributed sojourn times [PDF]

open access: yes, 2021
Abstract Epidemic models are used to analyze the progression or outcome of an epidemic under different control policies like vaccinations, quarantines, lockdowns, use of face-masks, pharmaceutical interventions, etc. When these models accurately represent real-life situations, they may become an important tool in the decision-making ...
Carlos Hernandez-Suarez   +2 more
openaire   +1 more source

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