Results 81 to 90 of about 947,634 (291)

Stationary distribution and probability density function analysis of a stochastic Microcystins degradation model with distributed delay

open access: yesMathematical Biosciences and Engineering
A stochastic Microcystins degradation model with distributed delay is studied in this paper. We first demonstrate the existence and uniqueness of a global positive solution to the stochastic system. Second, we derive a stochastic critical value $ R_0^s $
Ying He   +3 more
doaj   +1 more source

Thermo‐Mechanically Recyclable Smart Textiles from Circularly Knitted Liquid Crystal Elastomer Fibers

open access: yesAdvanced Functional Materials, EarlyView.
Reprogrammable multi‐material smart textiles knitted from liquid crystal elastomer fibers undergo 2D and 3D deformation under thermal and photo stimuli. Circularly knitted tubular structures reversibly contract in radial and axial directions, enabling autonomous climbing, liquid release, and micro pumping.
Xue Wan   +8 more
wiley   +1 more source

Analysis of an MAP/PH/1 Queue with Flexible Group Service

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2017
A novel customer batch service discipline for a single server queue is introduced and analyzed. Service to customers is offered in batches of a certain size. If the number of customers in the system at the service completion moment is less than this size,
Brugno Arianna   +3 more
doaj   +1 more source

Stationary Stability for Evolutionary Dynamics in Finite Populations

open access: yesEntropy, 2016
We demonstrate a vast expansion of the theory of evolutionary stability to finite populations with mutation, connecting the theory of the stationary distribution of the Moran process with the Lyapunov theory of evolutionary stability.
Marc Harper, Dashiell Fryer
doaj   +1 more source

Fleming-Viot selects the minimal quasi-stationary distribution: The Galton-Watson case [PDF]

open access: yes, 2012
Consider N particles moving independently, each one according to a subcritical continuous-time Galton-Watson process unless it hits 0, at which time it jumps instantaneously to the position of one of the other particles chosen uniformly at random.
Asselah, Amine   +3 more
core   +1 more source

Rigorous meaning of McLennan ensembles

open access: yes, 2009
We analyze the exact meaning of expressions for nonequilibrium stationary distributions in terms of entropy changes. They were originally introduced by McLennan for mechanical systems close to equilibrium and more recent work by Komatsu and Nakagawa has ...
Maes, C., Netocny, K.
core   +1 more source

Generation of an Induced Pluripotent Stem Cell‐Derived Alveolar Type II In Vitro Model to Study Influenza A Virus Infection and Drug Treatments

open access: yesAdvanced Healthcare Materials, EarlyView.
Patient‐specific induced pluripotent stem cells (iPSCs) can be differentiated into alveolar type II cells (iAT2s), expanded as 3D alveolospheres, and grown at physiologically relevant air–liquid interface (ALI). This study shows for the first time the infectability of iAT2s by the influenza A virus (IAV) and proves their responsiveness to the well ...
Lena Gauthier   +7 more
wiley   +1 more source

Membrane Vesicles from Lacticaseibacillus Casei BL23 Exhibit Antimicrobial Activity Against Escherichia coli and Immunostimulatory Effects on Human Peripheral Blood Mononuclear Cells

open access: yesAdvanced Healthcare Materials, EarlyView.
Membrane vesicles derived from the probiotic Lacticaseibacillus casei BL23 demonstrate antimicrobial properties against Escherichia coli and a potential biological effect in improving the overall survival of C. elegans infected with Pseudomonas aeruginosa. These vesicles stimulated immune responses in primary cells without causing toxicity. Our results
Cecilia L. D'Antoni   +11 more
wiley   +1 more source

Dynamical analysis of one machine to infinite bus power systems under Gauss type random excitation

open access: yesElectronic Journal of Differential Equations, 2017
We discuss the asymptotic behavior of the stochastic one machine to infinite bus power systems. Using the exponential martingale inequality and the Borel-Cantelli Lemma, we obtain asymptotic moment estimation and asymptotic pathwise estimation of the ...
Lei Liu, Ping Ju, Feng Wu
doaj  

Dynamics of a Stochastic Single-Species Kolmogorov System Under Markovian Switching

open access: yesMathematics
Understanding the impact of unpredictable environmental fluctuations is crucial in population ecology because such fluctuations are an important feature of natural population systems.
Zhixian Zhang, Xiaoquan Ding
doaj   +1 more source

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