Positive Periodic Solutions for a Class of Strongly Coupled Differential Systems with Singular Nonlinearities by Ruipeng Chen, Guangchen Zhang, Jiayin Liu

“…By applying the fixed point theory, several existence results are established. …”
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Professional Language Training of Students of International Relations: Didactics by E. V. Voevoda

“…The article addresses the theory of professional language training of students majoring in international relations. …”
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The (16,16,2) designs by E. F. Assmus, Jr, Chester J. Salwach

“…Elementary techniques of algebraic coding theory are here used to discuss the three biplanes with k=6. …”
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Notion of New Structure of Uncertain Sequences Using Δ-Spaces by Mashael M. AlBaidani

“…The object of this paper is to introduce a new approach of Δ-operator on the theory of uncertainty using sequence spaces. Also, some structural properties will be studied. …”
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Two-dimensional stability problem for horizontal holes that are in uncompressedelastic - plastic materials with inhomogeneous initial deformation by E. Hazar

“…Stability problems for cases with unhomogenous initial tensions have been studied and solved in the fromework of Three dimensionel stability theory using variationel metod. Results of the elastikplastik problems for homegenous plastik deformations are in reasonable agremeent with each other…”
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PROXIMATE ESTIMATION OF GENOTYPIC AND GENETIC (ADDITIVE) VARIANCES OF PLANT PRODUCTIVITY TRAITS by V. A. Dragavtsev, G. A. Makarova, A. A. Kochetov, G. V. Mirskaya, N. G. Sinyavina

“…For the first time all existent approaches to proximate estimation of genotypic variance are considered. A theory and methods of rapid estimation of genetic(additive) variance for prediction of transgressions in the course of breeding of self-pollinated plantsfor productivity traits are proposed.…”
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Pensée complexe contre ethnotype : le cas de la Corse by Jean-Guy Talamoni

“…En s’appuyant sur la théorie de la « pensée complexe » développée par Edgar Morin, Jean-Guy Talamoni propose dans cet article une nouvelle analyse des textes littéraires corses.…”
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Solving of the problem of heating process of prismatic alloys and slugs in regime of contraflow by Ju. S. Postolnik, V. I. Timoshpolskij, O. A. Chernyj, D. N. Andrianov, V. L. Shcherbakov

“…For the first time in the theory of counterflow heat exchange there is solved the problem of heating of the two-dimensional prismatic slug at its heating by convention current. …”
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Eigen Solution of Neural Networks and Its Application in Prediction and Analysis of Controller Parameters of Grinding Robot in Complex Environments by Shixi Tang, Jinan Gu, Keming Tang, Wei Ding, Zhengyang Shang

“…Lastly, to verify the eigen solution theory of neural networks, the proposed theory was applied to a novel prediction and analysis model of controller parameters of grinding robot in complex environments with deep neural networks and then build prediction model with deep learning neural networks for controller parameters of grinding robot. …”
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The Content-Validated Geometry Lessons in Islam Observed Brain-based Learning by Sherma O. Sappari, Florante P. Ibarra, Amirul Mukminin, Kasinyo Harto, Lenny Marzulina, Herri Mulyono, Asmendri Asmendri

“…Designed in a qualitative grounded theory approach, an interview script was used for individual and focus group interviews.  …”
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An epidemiological model of SIR in a nanotechnological innovation environment by David Svoboda, Ondřej Havelka, Julie Holendová, Jiří Kraft

“…The research presents current knowledge in the field linking diffusion of innovation theory and the basic epidemiological model of SIR (Susceptible, Infected, Recovered). …”
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Knights in shining armour and (M)others in life jackets: Women’s experiences of advocating for care alone when suffering recurrent early pregnancy loss during the SARS-CoV-2 pandem... by Flora E. Kent-Nye, Kayleigh S. Sheen, Karen Burgess, Munira Oza, Laura A. Magee, Davor Jurković, Sergio A. Silverio

“…Data were recorded, transcribed, and analysed by hand, following a Classical Grounded Theory Analysis, appropriate for cross-disciplinary health research. …”
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Controllability and Observability Analysis of Nonlinear Positive Discrete Systems by Mouhcine Naim, Fouad Lahmidi, Abdelwahed Namir

“…We solve these problems by a technique based on the fixed point theory.…”
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A new analogue of Gauss' functional equation by Hiroshi Haruki, Themistocles M. Rassias

“…Gauss established a theory on the functional equation (Gauss' functional equation) f(a+b2,ab)=f(a,b)  (a,b>0), where f:R+×R+→R is an unknown function of the above equation.…”
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A Variational Principle for Three-Point Boundary Value Problems with Impulse by Dianwu Yang

“…Using the critical points theory, we study the existence of solutions to second-order three-point boundary value problems with impulse.…”
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Multiple Solutions for Nonlinear Navier Boundary Systems Involving (p1(x),…,pn(x))-Biharmonic Problem by Qing Miao

“…Our approach is based on general variational principle and the theory of the variable exponent Sobolev spaces.…”
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Fixed points and self-reference by Raymond M. Smullyan

“…The abstract fixed point theorem of this article is independent of both metamathematics and recursion theory and is perfectly comprehensible to the non-specialist.…”
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About romance without love and love without romance by R. L. Kochnev

“…The evaluation of authenticity is based on the existential theory of truth, proposed by S. Kierkegaard…”
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The Numerical Semigroup of Phrases' Lengths in a Simple Alphabet by Aureliano M. Robles-Pérez, José Carlos Rosales

“…Considering a particular class of words (the phrases) over such an alphabet, we connect with the theory of numerical semigroups. We study the properties of the family of numerical semigroups which arise from this starting point.…”
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On Linear and Nonlinear Fourth-Order Eigenvalue Problems with Nonlocal Boundary Condition by Dongming Yan

“…The proofs of our main results are based upon the Krein-Rutman theorem and fixed point index theory.…”
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