Hyers-Ulam stability of a nonlinear partial integro-differential equation of order three
In this article, we study the Hyers-Ulam stability of a nonlinear partial integro-differential equation of order three, of hyperbolic type, using Bielecki norm.
Marian Daniela +2 more
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Based on an equivalent derivative non-linear Schrödinger equation, we derive some periodic and non-periodic two-parameter solutions of the deformed continuous Heisenberg spin (DCHS) equation.
Zhong Penghong, Chen Xingfa, Chen Ye
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On the weakly degenerate Allen-Cahn equation
In this paper we consider a one-dimensional Allen-Cahn equation with degeneracy in the interior of the domain and Neumann boundary conditions. We allow the diffusivity coefficient vanish at some point of the space domain and we are addressed on the ...
Sônego Maicon
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Discrete-time COVID-19 epidemic model with chaos, stability and bifurcation. [PDF]
Al-Basyouni KS, Khan AQ.
europepmc +1 more source
Bifurcation analysis of a free boundary model of vascular tumor growth with a necrotic core and chemotaxis. [PDF]
Lu MJ, Hao W, Hu B, Li S.
europepmc +1 more source
Superlensing using complementary media and reflecting complementary media for electromagnetic waves
In this paper, we present the proof of superlensing an arbitrary object using complementary media and we study reflecting complementary media for electromagnetic waves. The analysis is based on the reflecting technique and new results on the compactness,
Nguyen Hoai-Minh
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Spatio-Temporal SIR Model with Robin Boundary Condition and Automatic Lockdown Policy. [PDF]
Elamraoui O, Essoufi EH, Zafrar A.
europepmc +1 more source
Effects of anisotropic diffusion in a two-dimensional unstirred chemostat
We investigate an unstirred chemostat model in which two species compete in a two-dimensional environment. The populations are assumed to disperse anisotropically, with distinct probabilities assigned to horizontal and vertical movements, which are ...
Yu Hongqiang, Wu Jianhua
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A low-cost, sensitive and specific PCR-based tool for rapid clinical detection of HLA-B*35 alleles associated with delayed drug hypersensitivity reactions. [PDF]
Li Y +5 more
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Strong instability of standing waves for the Hartree equation with a constant magnetic field
In this paper, we study the strong instability of standing waves for the Hartree equation with a constant magnetic field. First, we prove the existence of least action ground states for the associated stationary equation using variational methods. Second,
Mao Weifeng, Zhang Jian
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