Results 11 to 20 of about 422,173 (267)

Time delay cosmography [PDF]

open access: yesThe Astronomy and Astrophysics Review, 2016
Invited review article submitted to "The Astronomy And Astrophysics Review", 48 pages, 9 figures.
Treu, Tommaso, Marshall, Philip J.
openaire   +2 more sources

Approximation of state variables for discrete-time stochastic genetic regulatory networks with leakage, distributed, and probabilistic measurement delays: a robust stability problem

open access: yesAdvances in Difference Equations, 2018
This work predominantly labels the problem of approximation of state variables for discrete-time stochastic genetic regulatory networks with leakage, distributed, and probabilistic measurement delays.
S. Pandiselvi   +4 more
doaj   +1 more source

OPTICAL-RADIO TIME DELAYS IN Q0957+561

open access: yesOdessa Astronomical Publications, 2017
Applying a specific cross-correlation method, we obtained evidence that changes in the radio flux appear to lag behind the optical variations of the quasar by about 6.4 years.
V. L. Oknyanskij
doaj   +1 more source

Caching with Time Windows and Delays

open access: yesSIAM Journal on Computing, 2022
We consider two generalizations of the classical weighted paging problem that incorporate the notion of delayed service of page requests. The first is the (weighted) Paging with Time Windows (PageTW) problem, which is like the classical weighted paging problem except that each page request only needs to be served before a given deadline.
Anupam Gupta 0001   +2 more
openaire   +3 more sources

Photoionization Time Delays [PDF]

open access: yes, 2015
The material presented in this chapter is based on important advances realized in “attophysics” which make feasible to follow the motion of electrons in atoms and molecules with attosecond-level time resolution. In this context, time-delays have been recently determined in the process of photoionization by extreme-ultra-violet (XUV) pulses and the ...
Dahlström, J M   +4 more
openaire   +2 more sources

Efficient semiclassical approach for time delays

open access: yesNew Journal of Physics, 2014
The Wigner time delay, defined by the energy derivative of the total scattering phase shift, is an important spectral measure of an open quantum system characterizing the duration of the scattering event.
Jack Kuipers   +2 more
doaj   +1 more source

Synchronization of Time Delayed Systems by Common Delay Time Modulations [PDF]

open access: yesISRN Applied Mathematics, 2011
We investigate the synchronization phenomenon between two identical time delayed systems with the common time delay, modulated by a chaotic or random signal. The phenomenon is verified by the conditional Lyapunov exponent. The relation between the present form of synchronization with generalized one is also discussed.
Atanu Mukherjee   +2 more
openaire   +3 more sources

Incorporating Time Delays in Process Hitting Framework for Dynamical Modeling of Large Biological Regulatory Networks

open access: yesFrontiers in Physiology, 2019
Modeling and simulation of molecular systems helps in understanding the behavioral mechanism of biological regulation. Time delays in production and degradation of expressions are important parameters in biological regulation.
Iftikhar Ali Sheikh   +4 more
doaj   +1 more source

Group Leader-Following Consensus Control for Heterogeneous Multi-Agent Systems With Time Delays

open access: yesIEEE Access, 2021
In this paper, the problem of group leader-following consensus is discussed for high-order heterogeneous multi-agent systems(HMASs) with multiple leaders and time delays.
Chong Tan, Liang Yue, Yanjiang Li
doaj   +1 more source

An Improved Intelligent Driver Model Considering the Information of Multiple Front and Rear Vehicles

open access: yesIEEE Access, 2021
This paper proposes an improved intelligent driver model (IDM) by considering the information of multiple front and rear vehicles to describe the car-following behaviour of CAVs (Connected and autonomous vehicles).
Fang Zong   +4 more
doaj   +1 more source

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