Trench's Perturbation Theorem for Dynamic Equations by Martin Bohner, Stevo Stevic

“…We consider a nonoscillatory second-order linear dynamic equation on a time scale together with a linear perturbation of this equation and give conditions on the perturbation that guarantee that the perturbed equation is also nonoscillatory and has solutions that behave asymptotically like a recessive and dominant solutions of the unperturbed equation. As the theory of time scales unifies continuous and discrete analysis, our results contain as special cases results for corresponding differential and difference equations by William F. …”
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Abuse or Slavery? A Look at Practices of Debt Peonage from the 19th-Century Philippines by Carolina Hiribarren Cardoen

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Periodic Property and Asymptotic Behavior for a Discrete Ratio-Dependent Food-Chain System with Delays by Changjin Xu, Peiluan Li, Maoxin Liao

“…By using Gaines and Mawhin’s continuation theorem of coincidence degree theory and the method of Lyapunov function, a set of sufficient conditions for the existence of positive periodic solutions and global asymptotic stability of the model are established.…”
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Behindert das (deutsche) Recht die zeithistorische Forschung? by Jan Thiessen

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Bifurcation analysis of HIV-1 infection model with cell-to-cell transmission and immune response delay by Jinhu Xu, Yicang Zhou

“…Moreover, the direction of the Hopf bifurcation and the stability of the periodic solutions are investigated by normal form and center manifold theory.Numerical simulations are done to explore the rich dynamics,including stability switches, Hopf bifurcations, and chaotic oscillations.…”
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Analyse énonciative de have to et comparaison avec le modal must by Pauline Serpault

“…The analysis is carried out within the framework of the theory of predicative and enunciative operations as set out by Antoine Culioli, and aims to identify a set of functional invariants holding across a wide range of contextual meanings. …”
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A New Ridge-Type Estimator for the Linear Regression Model: Simulations and Applications by B. M. Golam Kibria, Adewale F. Lukman

“…This paper proposes a new estimator to solve the multicollinearity problem for the linear regression model. Theory and simulation results show that, under some conditions, it performs better than both Liu and ridge regression estimators in the smaller MSE sense. …”
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THE ANALYSIS OF STUDENTS' ACTIVITY IN SOCIAL NETWORK by Vasiliy V. Krasil'shchikov, Mitrofan A. Osetrov

“…Methods of mathematical modeling of networks, Graph Theory, and Statistics were used. The research of the personal pages in the social network «VKontakte » of full-time courses students of Vladimir branch of the Russian University of Cooperation was conducted to illustrate the methods. …”
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Trust, Power, and Partnership: A Study of the Evolution of Sweden’s Bilateral Economic Partnership with Post-Apartheid South Africa by Tove Sternehäll

“…Through an analytical framework built on embeddedness theory and soft power, the article examines the impact of the trust and influence that stems from Sweden’s support of the South African liberation movement. …”
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Dynamics near the origin of the long range scattering for the one-dimensional Schrödinger equation by Carles, Rémi

“…We consider the cubic Schrödinger equation on the line, for which the scattering theory requires modifications due to long range effects. …”
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Neuro‐educational leadership: Pioneering educational leadership through neuroscience research by Yifei Zhang, Qinghua He

“…With the emergence of neuroscience, there is potential to further explore the theory and practice of educational leadership from a neuroscience perspective. …”
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CMOS Realization of All-Positive Pinched Hysteresis Loops by B. J. Maundy, A. S. Elwakil, C. Psychalinos

“…Simulation and experimental results verify the proposed theory.…”
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Complete Solutions to General Box-Constrained Global Optimization Problems by Dan Wu, Youlin Shang

“…Our theorems improve and generalize recent known results in the canonical duality theory. Applications to a class of constrained optimal control problems are discussed. …”
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La terre, dernier élément de Charles Darwin by Michel Prum

“…Yet Darwin’s last opus was also a brilliant plea for the theory of the accumulation of small variations (drawing upon Lyellian uniformitarism) and for a new positioning of Man in the animal kingdom that departed from the old Judaeo-Christian tradition. …”
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Investment and investment process: genesis and modern approach by D. A. Dzhioev

“…The article considers various domestic and foreign approaches to the interpretation of the concept of «investment» as an economic category in retrospect (historical analysis of the origin and development of investment theory) and at the present stage of development. Based on the critical analysis of various interpretations, the paper formulates the author’s definition of the concept of «investment». …”
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An Approximation Theorem and Generic Convergence of Solutions of Inverse Quasivariational Inequality Problems by Ting Liu, Wensheng Jia

“…First, we define the concept of the approximate solution to inverse quasivariational inequality problems under bounded rationality theory. Afterward, an approximation theorem that satisfies fairly mild assumptions is proved. …”
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Stratégies d’accommodation en anglais américain : le cas de l’interro-négative by Pauline Levillain

“…To do so, the strategic adjustments are examined in the light of the conversational context, the points of view expressed by the speakers and the objectives they would like to reach. Both the Speech-Act theory and the Pragma-Dialectical Approach not only shed light on the relevance of the use of negative interrogative clauses in contexts of disagreement but also help us understand how complex interpersonal relations develop when speakers want to reach an agreement by sharing points of view.…”
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Spatially Nonhomogeneous Periodic Solutions in a Delayed Predator-Prey Model with Diffusion Effects by Jia-Fang Zhang

“…Meanwhile, we study the properties of the spatially nonhomogeneous periodic solutions applying normal form theory of partial functional differential equations (PFDEs).…”
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Sergei Eisenstein in the Proletkult by Biggart John, Bulgakowa Oksana

“…We ask how far Eisenstein was influenced by Marxism in general and by the ideas of Bogdanov in particular, and explain his exit from the Proletkult in terms of the unacceptability of his theory and practice of theatre and film to the Chairman of the Proletkult, Valeriyan Pletnëv. …”
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Bogdanov-Takens and Triple Zero Bifurcations of a Delayed Modified Leslie-Gower Predator Prey System by Xia Liu, Jinling Wang

“…By using the center manifold reduction, the normal form theory, and the formulae developed by Xu and Huang, 2008 and Qiao et al., 2010, the normal forms and the versal unfoldings for this singularity are presented. …”
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