On a Fractional Nonlinear Hyperbolic Equation Arising from Relative Theory by Zujin Zhang, Xiaofeng Wang, Zheng-an Yao

“…We obtain the existence of a weak solution to a fractional nonlinear hyperbolic equation arising from relative theory by the Galerkin method. Its uniqueness is also discussed. …”
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Microbes, macrophages, and melanin: a unifying theory of disease as exemplified by cancer by Stacie Z. Berg, Jonathan Berg

“…It is widely accepted that cancer mostly arises from random spontaneous mutations triggered by environmental factors. Our theory challenges the idea of the random somatic mutation theory (SMT). …”
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The Stability of a General Sextic Functional Equation by Fixed Point Theory by Jaiok Roh, Yang-Hi Lee, Soon-Mo Jung

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Scalar Form Factor of the Pion in the Kroll-Lee-Zumino Field Theory by C. A. Dominguez, M. Loewe, M. Lushozi

“…The renormalizable Kroll-Lee-Zumino field theory of pions and a neutral rho-meson is used to determine the scalar form factor of the pion in the space-like region at next-to-leading order. …”
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Stroke rehabilitation adaptive approaches: A theory-focused scoping review by Mary Egan, Dorothy Kessler, Nalia Gurgel-Juarez, Anchal Chopra, Elizabeth Linkewich, Lindsey Sikora, Phyllis Montgomery, Patrick Duong

“…Using this information, we proposed distinct groups of interventions based on theoretical drivers.Results Twenty-nine adaptive interventions were examined in at least one of 77 studies. Underlying theories included Cognitive Learning Theory, Self-determination Theory, Social Cognitive Theory, adult learning theories, and Psychological Stress and Coping Theory. …”
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Epistemologische Zyklen durchbrechen. Geschichte, Theorie und Aufführung in Schuberts Winterreise by Natasha Loges

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An analysis of the factors influencing the gap between theory and practice in elementary teachers by Najmeh Soltaninezhad, parvin Salarichine

Subjects: “…keywords: theory - practice gap…”
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REEXAMINING THE QUANTITY THEORY OF MONEY: AN EMPIRICAL ANALYSIS FROM THE JOINT HYPOTHESIS by Cheng-Wen Lee, Andrian Dolfriandra Huruta

Subjects: “…quantity theory of money…”
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ITEM RESPONSE THEORY AS A TOOL FOR THE ESTIMATION OF A LANGUAGE TEST by M. V. Makarych

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The Role of the Learner in Task-Based Language Teaching: Theory and Research Methods by Mohamed Salah

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Super Yang-Mills action from Hybrid Superstring Field Theory by Ulisses M. Portugal

Subjects: “…String Field Theory…”
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Development and evaluation of the organization`s logistics strategy based on the application of bifurcation theory by M. Yu. Uchirova, L. A. Ilin, S. V. Khudyakov

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Students’ Online Learning Adoption during an Emergency Situation: Integrating the Self-Determination and Perceived Risk Theories by Sheng-Ju Chan, Thi Xuan Nong, Thi Thanh Truc Nguyen

“…By integrating self-determination theory and perceived risk theory, the current research proposes a new model to predict students’ online learning adoption during an emergency situation such as the COVID-19 pandemic. …”
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Mental automatism and exogenous psychosis: the originality of De Clérambault’s and Karl Bonhoeffer’s theories in substance-related psychoses by Valerio Ricci, Alessandro Sarni, Giuseppe Maina, Giuseppe Maina

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The place and role of the sign of property separation of an entrepreneurial company in theories about the essence of a legal entity by R. M. Artemenko

“…Doctrinal approaches to understanding the place and role of the sign of property separation of an entrepreneurial company in the context of the main provisions of the theory of fiction and the theory of reality of a legal entity as a participant in civil circulation are analyzed. …”
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Théories géologiques et représentations du paysage dans la première moitié du xixe siècle by Alexis Drahos

“…Under the prism of the discoveries made in geosciences, it will be a matter to determine the influence of some scientific theories on the landscape painting. These doctrines will contribute to modernize this pictorial genre still too blocked by the tradition. …”
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Effects of Rotation and Gravity Field on Surface Waves in Fibre-Reinforced Thermoelastic Media under Four Theories by A. M. Abd-Alla, S. M. Abo-Dahab, A. Al-Mullise

“…The numerical results are given for equation of coupled thermoelastic theory (C-T), Lord-Shulman theory (L-S), Green-Lindsay theory (G-L), and the linearized (G-N) theory of type II. …”
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Double-Diffusive MHD Viscous Fluid Flow in a Porous Medium in the Presence of Cattaneo-Christov Theories by Bidemi Olumide Falodun, Adeola John Omowaye, Funmilayo Helen Oyelami, Homan Emadifar, Ahmed A. Hamoud, S. M. Atif

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A Mathematical Bridge between Discretized Gauge Theories in Quantum Physics and Approximate Reasoning in Pairwise Comparisons by Jean-Pierre Magnot

“…We describe a mathematical link between aspects of information theory, called pairwise comparisons, and discretized gauge theories. …”
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Investigating 9d/8d non-supersymmetric branes and theories from supersymmetric heterotic strings by Yuta Hamada, Arata Ishige

“…Abstract We consider heterotic string theories in nine and eight dimensions. We identify the disconnected part of the spacetime gauge group by studying the outer automorphism of the charge lattices. …”
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