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Irrational dynamics, superpitchfork bifurcation, and equilibrium hierarchy in a mass-spring system exhibiting chaos and bursting. [PDF]

Sci Rep
Abobda LT.
europepmc   +1 more source

WO₃ electrodes by spray pyrolysis for photoelectrochemical applications: impact of W precursor and Cl incorporation. [PDF]

RSC Adv
Gomaa MM, Krýsová H, Sayed MH, Imrich T, Boshta M, Neumann-Spallart M, Krýsa J.   +6 more
europepmc   +1 more source

Traveling wave solutions for an epidemic model

Electronic Journal of Differential Equations
Zhenbu Zhang
doaj  

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The method of upper–lower solutions for nonlinear second order differential inclusions

Nonlinear Analysis: Theory, Methods & Applications, 2007
The paper concerns a system which consists of the scalar differential inclusion \[ (| x'|^{p-2}x')'\in\partial g(t,x)+F(t,x,x')+\theta(x) \] on an interval \([0,b]\) and of the boundary conditions \[ x'(0)\in\xi_1(x(0)), \qquad -x'(b)\in\xi_2(x(b)).
Papageorgiou, Nikolaos, Staicu, Vasile
openaire   +2 more sources

Existence-uniqueness of solutions for a nonlinear nonautonomous size-structured population model: an upper-lower solution approach

Rocky Mountain Journal of Mathematics, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ackleh, Azmy S., Deng, Keng
openaire   +2 more sources

Light‐scattering spectrum in the region of the upper, lower and double critical points in guaiacol—glycerol solution

Journal of Raman Spectroscopy, 1994
AbstractThe viscosity temperature dependence and the correlation radius of concentration fluctuations have been obtained in guaiacol‐glycerol solutions with various miscibility gaps up to a gap width ΔT = 0.01 °C. The correlation radius critical exponent ν changes from 0.63 when ΔT= 39°C to 0.53 when ΔT = 0.01 °C. Measurements were made using the light
L. L. Chaikov, I. L. Fabelinskii, S. V. Krivokhizha, O. A. Lugovaya, A. Citrovsky, P. Jany   +5 more
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Wave fronts in reaction-diffusion equations and upper-lower solutions method

2003
A new approach based on upper and lower solutions has been employed in [Dyn. Syst. Appl.12, 2003, 333-354] to unify and generalized existing results for wave fronts in reaction-diffusion equations arising in combustion and genetic models. The statements of the problem and the main results are here explained, and relations with existing results are ...
L. Malaguti, C. Marcelli, MATUCCI, SERENA   +2 more
openaire   +1 more source

Blockchain-Empowered Space-Air-Ground Integrated Networks: Opportunities, Challenges, and Solutions

IEEE Communications Surveys and Tutorials, 2022
Yuntao Wang, Zhou, Jianbing Ni
exaly