A Variational Approach to Electrostatics of Polarizable Heterogeneous Substances by Michael Grinfeld, Pavel Grinfeld

“…We discuss equilibrium conditions for heterogeneous substances subject to electrostatic or magnetostatic effects. …”
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A singularly perturbed HIV model with treatment and antigenic variation by Nara Bobko, Jorge P. Zubelli

“…We study the long term dynamics and the multiscale aspects of a within-host HIV model that takes into account both mutation and treatment with enzyme inhibitors. …”
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Cartographie interactive historique pour informer sur les risques : application avec le DICRIM de la Ville de Saint-Étienne by Élisabeth Chesneau, Adeline Clément, Éric Lieghio

“…According to the results we obtained, we create a new map by adding a timeline. …”
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Mathematical analysis of a HIV model with frequency dependence and viral diversity by Shingo Iwami, Shinji Nakaoka, Yasuhiro Takeuchi

“…We consider the effect of viral diversity on the human immune sys-tem with the frequency dependent proliferation rate of CTLs and the elimina-tion rate of infected cells by CTLs. …”
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Multiscale Systemic Risk and Its Spillover Effects in the Cryptocurrency Market by Xu Zhang, Zhijing Ding

“…We found that when frequency is combined with regimes, the risk spillover center will undergo subversive changes in the long run. …”
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Regularization method and a posteriori error estimates for the two membranes problem by Bouchlaghem Mohammed, Mermri El Bekkaye, Mellah Zhor

“…Using duality theory from convex analysis, we identify the dual problem related to the two membranes problem. …”
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Par-dessus l’épaule du maître. Approche matérielle de l’adaptabilité artisanale médiévale : l’exemple des « brocarts appliqués » savoyards by Ariane Pinto

“…We also offered a conclusive identification of the type of craftsmen responsible for this decoration.…”
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Higher-order fuzzy fractional differential equations: on the existence, uniqueness and Hyers–Ulam–Rassias stability of solutions by Brahim Ghrissi, Abdelkader Amara, Youcef Henka

“…Additionally, we present two examples to enhance the illustration of our findings.…”
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Ulam-Hyers Stability of Trigonometric Functional Equation with Involution by Jaeyoung Chung, Chang-Kwon Choi, Jongjin Kim

“…We then prove the Hyers-Ulam stability of the functional equation; that is, we study the functional inequality |f(x+σy)-f(x)g(y)+g(x)f(y)|≤ψ(y) for all x,y∈G, where f,g:G→C and ψ:G→R+.…”
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A functional integral approach to magnon mediated plasmon friction by Yang Wang, Ruanjing Zhang, Feiyi Liu

“…Abstract In this paper, we discuss quantum friction in a system formed by two metallic surfaces separated by a ferromagnetic intermedium of a certain thickness. …”
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Continuity of the maps f↦∪x∈Iω(x,f) and f↦{ω(x,f):x∈I} by T. H. Steele

“…We study the behavior of two maps in an effort to better understand the stability of ω-limit sets ω(x,f) as we perturb either x or f, or both. …”
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An Illusion: “A Suzuki Type Coupled Fixed Point Theorem” by Hamed H. Alsulami, Erdal Karapınar, Marwan A. Kutbi, Antonio-Francisco Roldán-López-de-Hierro

“…We admonish to be careful on studying coupled fixed point theorems since most of the reported fixed point results can be easily derived from the existing corresponding theorems in the literature. …”
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Horseshoe Chaos in a 3D Neural Network with Different Activation Functions by Fangyan Yang, Song Tang, Guilan Xu

“…For chaos, we present a rigorous computer-assisted study by virtue of topological horseshoe theory.…”
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Genetic Algorithm and Graph Theory Based Matrix Factorization Method for Online Friend Recommendation by Qu Li, Min Yao, Jianhua Yang, Ning Xu

“…To tackle cold start problem and data sparsity, we used KNN model to influence user feature vector. …”
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Control of the Radiation Patterns Using Homogeneous and Isotropic Impedance Metasurface by Fan Yang, Zhong Lei Mei, Tie Jun Cui

“…We propose to control the radiation patterns of a two-dimensional (2D) point source by using impedance metasurfaces. …”
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A Systematic Review on the Advancement in the Study of Fuzzy Variational Problems by Mansi Verma, Chuei Yee Chen, Adem Kılıçman, Risman Mat Hasim

“…Finally, we set up the main open problems regarding the limitations of the current approaches, shedding light on future directions.…”
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Mathematical Analysis Of A Modular Network Coordinating The Cell Cycle And Apoptosis by Gheorghe Craciun, Baltazar Aguda, Avner Friedman

“…In addition, we further explore model parameters that control the bifurcations corresponding to the aforementioned cellular state transitions. …”
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Bosonic sectorized strings and the (DF)2 theory by Thales Azevedo, Renann Lipinski Jusinskas, Matheus Lize

“…Abstract In this work, we investigate the bosonic chiral string in the sectorized inter- pretation, computing its spectrum, kinetic action and 3-point amplitudes. …”
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Hopf Bifurcation in a Cobweb Model with Discrete Time Delays by Luca Gori, Luca Guerrini, Mauro Sodini

“…We develop a cobweb model with discrete time delays that characterise the length of production cycle. …”
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Multiculturalismo, gênero e etnografia: trajetória e contribuições fundamentais de Jean Elizabeth Jackson para a antropologia sul-americana by Patience L. Epps, Danilo Paiva Ramos, Flora Cabalzar

“…Jackson’s principal contributions to South American anthropology within the scope of the dossier “Femmes pionnières de l’anthropologie sud-américaniste.” While we focus on her pioneering ethnographic work with the Indigenous peoples of the Colombian Vaupés, we also consider how her ethnographic perspective connects to her other lines of research on identity, indigenous movements and chronic pain patients. …”
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