Results 51 to 60 of about 756,278 (227)

Global bounded solution of a 3D chemotaxis-Stokes system with slow p-Laplacian diffusion and logistic source

open access: yesAIMS Mathematics
In this paper, the chemotaxis-Stokes system with slow $ p $-Laplacian diffusion and logistic source as follows $ \begin{equation*} \left\{ \begin{aligned} &n_t+u\cdot\nabla n = \nabla\cdot(|\nabla n|^{p-2}\nabla n)-\nabla\cdot(n\nabla c)+\mu n(
Xindan Zhou , Zhongping Li
doaj   +1 more source

Traveling wave solutions for fully parabolic Keller-Segel chemotaxis systems with a logistic source

open access: yesElectronic Journal of Differential Equations, 2020
This article concerns traveling wave solutions of the fully parabolic Keller-Segel chemotaxis system with logistic source, $$\displaylines{ u_t=\Delta u -\chi\nabla\cdot(u\nabla v)+u(a-bu),\quad x\in\mathbb{R}^N,\cr \tau v_t=\Delta v-\lambda v +\mu ...
Rachidi B. Salako, Wenxian Shen
doaj  

Global solutions to a two-species chemotaxis system with singular sensitivity and logistic source

open access: yesJournal of Inequalities and Applications, 2019
This paper is concerned with a chemotaxis system with singular sensitivity and logistic source, {ut=Δu−χ1∇⋅(uw∇w)+μ1u−μ1uα,x∈Ω,t>0,υt=Δv−χ2∇⋅(υw∇w)+μ2υ−μ2υβ,x∈Ω,t>0,wt=Δw−(u+υ)w,x∈Ω,t>0, $$\begin{aligned} \textstyle\begin{cases} u_{t}=\Delta u-\chi _{1 ...
Ting Huang, Lu Yang, Yongjie Han
doaj   +1 more source

Mathematical Model of \u3cem\u3eChlorella minutissima\u3c/em\u3e UTEX2341 Growth and Lipid Production Under Photoheterotrophic Fermentation Conditions [PDF]

open access: yes, 2011
To reduce the cost of algal biomass production, mathematical model was developed for the first time to describe microalgae growth, lipid production and glycerin consumption under photoheterotrophic conditions based on logistic, Luedeking–Piret and ...
Hristova, Krassimira R.   +5 more
core   +1 more source

Automated Lensing Learner: Automated Strong Lensing Identification with a Computer Vision Technique [PDF]

open access: yes, 2019
Forthcoming surveys such as the Large Synoptic Survey Telescope (LSST) and Euclid necessitate automatic and efficient identification methods of strong lensing systems. We present a strong lensing identification approach that utilizes a feature extraction
Avestruz, Camille   +5 more
core   +2 more sources

Boundedness in a quasilinear attraction–repulsion chemotaxis system with nonlinear sensitivity and logistic source

open access: yesBoundary Value Problems, 2019
In this paper, we deal with the following quasilinear attraction–repulsion model: {ut=∇⋅(D(u)∇u)−∇⋅(S(u)χ(v)∇v)+∇⋅(F(u)ξ(w)∇w)+f(u),x∈Ω,t>0,vt=Δv+βu−αv,x∈Ω,t>0,0=Δw+γu−δw,x∈Ω,t>0,u(x,0)=u0(x),v(x,0)=v0(x),x∈Ω $$ \textstyle\begin{cases} u_{t}=\nabla \cdot
Lijun Yan, Zuodong Yang
doaj   +1 more source

Geochemical Discrimination of Monazite Source Rock Based on Machine Learning Techniques and Multinomial Logistic Regression Analysis

open access: yesGeosciences, 2020
Detrital monazite geochronology has been used in provenance studies. However, there are complexities in the interpretation of age spectra due to their wide occurrence in both igneous and metamorphic rocks. We use the multinomial logistic regression (MLR)
Keita Itano   +3 more
doaj   +1 more source

PERSPECTIVES FOR ENERGY SUPPLY LOGISTICS FROM ALTERNATIVE SOURCES [PDF]

open access: yesEfektyvna ekonomika, 2021
У статті приділяється увага перспективам генерації та використання енергії з нетрадиційних та відновлювальних джерел, як засобу підвищення рівня енергобезпеки країни. Проаналізовані країни за кількістю виробленої електричної енергії з альтернативних джерел.
openaire   +1 more source

Chaos From Switched-Capacitor Circuits: Discrete Maps [PDF]

open access: yes, 1987
A special-purpose analog computer made of switched-capacitor circuits is presented for analyzing chaos and bifurcation phenomena in nonlinear discrete dynamical systems modeled by discrete maps *n + t = fan)-Experimental results are given for four ...
Huertas Díaz, José Luis   +3 more
core   +1 more source

Long time behavior of the solution to a chemotaxis system with nonlinear indirect signal production and logistic source

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2023
This paper is devoted to studying the following quasilinear parabolic-elliptic-elliptic chemotaxis system \begin{equation*} \begin{cases} u_{t}=\nabla\cdot(\varphi(u)\nabla u-\psi(u)\nabla v)+au-bu^{\gamma},\ &\ \ x\in \Omega, \ t>0,\\[2.5mm] 0 ...
Chang-Jian Wang, Ya-Jie Zhu, Xin-Cai Zhu
doaj   +1 more source

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