A Joint Dynamic Pricing, Advertising, and Production Model with Inventory-Level-Dependent Goodwill by Yongzhao Wang, Liqun Wei, Jianxiong Zhang

“…The optimal dynamic pricing, advertising, and production policies are derived by using Pontryagin’s maximum principle. Numerical examples are provided to demonstrate the obtained results, and sensitivity analysis of main system parameters is carried out to obtain some managerial insights. …”
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CASE ON EDUCATIONAL STANDARDS by Oleg A. Donskikh

“…The author defends the point of view that standardization of education oriented onto purely economic aspect of life cannot lead to any positive result in principle. This is evidenced by the experience of other countries.…”
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Determination of the Sediment Carrying Capacity Based on Perturbed Theory by Zhi-hui Ni, Qiang Zeng, Wu Li-chun

“…The coefficients were determined by the principle of dimensional analysis, multiple linear regression method, and the least square method. …”
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LEGAL CULTURE AS AN IMPORTANT ELEMENT LEGAL SYSTEM by Victoria V. Solovieva

“…The maturity of legal culture is an important factor in establishing the principle of the rule of law in all spheres of public life, the implementation of the legal status of the individual, his rights and freedoms.…”
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Efficiency and Progressivity Measures of the Flat Tax with a Special Focus on Bosnia and Herzegovina by Lejla Lazović-Pita

“…During this period, we determine that in developed countries there has been a shift from equity towards efficiency principle conducted by a reduction of top progressive personal income tax (hereafter: PIT) rates and through base broadening. …”
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Top managers and problems of managing organizations by V. G. Antonov, E. V. Kuptsova, E. S. Kuptsova

“…The authors conclude that the risk of causing the greatest damage to the management system is associated with the problem of trust. The main principle of management should be the trust of the staff to their managers and their integration into management processes at least at the level of management of the main production business processes. …”
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Phase relationships in the Al-rich region of the Al-Y-Zr system by Bao X., Liu L., Huang S., Jiang Y., Wang X., Zhang L.

“…In the meantime, first principle calculations are used to provide theoretical guidance to understand the experimental results.…”
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A Brief Survey of the Graph Wavelet Frame by Jie Zhou, Zeze Zhang

“…Based on the pseudosplines of type II, we derive an MRA tight wavelet frame with three generators ψ1,ψ2, and ψ3 using the oblique extension principle (OEP), which generate a tight wavelet frame in L2ℝ. …”
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Le rôle des acteurs de la société civile dans le déploiement des projets économiques et politiques alternatifs : l’expérience mexicaine de la 4T by Max-Amaury Bertoli, Solène Morvant-Roux, Ilán Bizberg

“…Starting from a socioeconomic approach articulating different scales of analysis, this article offers a critical look at the principle features of this political project through the study of one of its flagship public program: Sembrando Vida. …”
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Biostatistical Assessment of Mutagenicity Studies: A Stepwise Confidence Procedure by Michael J. Adjabui, Nathaniel K. Howard, Mathias Akamba

“…Assuming homogeneity of variances across dose group in normality settings, we employed the generalized Fieller’s confidence interval method in a multiple comparison stepwise procedure by incorporating the partitioning principle in order to control the familywise error rate (FWER). …”
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Development of Spherical Actuator with L-Shaped Yoke by Yu-Wen Huang, Hao-Wen Chung, Yu-Ming Chen, Chien-Sheng Liu, Ming-Fu Chen

“…In this paper, a two-DOF L-shaped yoke spherical actuator based on the principle of traditional voice coil actuators is developed. …”
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Anchored in Justice: Yorùbá Philosophy and the Politics of a Diverse State by Segun Gbadegesin

“…I focus specifically on the Yoruba fascination with justice as a guiding principle as they relate to other nationalities in dealing with the issues that confront the new state. …”
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Adsorption of Water Molecule in Graphene/MoS2 Heterostructure with Vacancy Defects in Mo Sites by Hari Krishna Neupane, Narayan Prasad Adhikari

“…First-principle calculations based on the spin-polarized density functional theory (DFT) with vdW corrections by DFT-D2 approach have been carried out to study structural, electronic, and magnetic properties of water-adsorbed graphene/MoS2 heterostructures (system-I), and water-adsorbed graphene/MoS2 heterostructures with vacancy defects in Mo sites (systems-II). …”
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Modeling and Analysis of HIV and Cholera Direct Transmission with Optimal Control by Kumama Regassa Cheneke, Koya Purnachandra Rao, Geremew Kenassa Edessa

“…Pontryagin’s maximum principle is applied to construct Hamiltonian function, and optimal controls are computed. …”
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Modelling epidemiological dynamics with pseudo-recovery via fractional-order derivative operator and optimal control measures. by Samson Olaniyi, Furaha M Chuma, Ramoshweu S Lebelo, Richard C Ogbonna, Sulaimon F Abimbade

“…Consequently, the analysis is extended to the fractional optimal control model where time-dependent preventive strategy and treatment measure are characterized by Pontryagin's maximum principle. The resulting Caputo fractional-order optimality system is simulated to understand how both preventive and treatment controls affect the pseudo-recovery dynamics of infectious diseases in the presence of memory. …”
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Towards Reduced-Order Models of Solid Oxide Fuel Cell by Maciej Ławryńczuk

“…At first, the full-order discrete-time model is found from the continuous-time first-principle description. Next, the discrete-time submodels of hydrogen, oxygen, and water pressures (intermediate variables) are reduced. …”
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Microwave Heating as an Alternative Quarantine Method for Disinfestation of Stored Food Grains by Ipsita Das, Girish Kumar, Narendra G. Shah

“…The current paper reviews the recent advances in Microwave (MW) disinfestation of stored food products and its principle and experimental results from previous studies in order to establish the usefulness of this technology.…”
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Updating the Content of Higher Education in the Context of Modern Sociocultural Trends by E. E. Shishlova

“…As a result of the update of the hidden education content by the sociocultural aspect, it is transformed into an implicit (updated hidden), which, while not being declared, but being adapted and purposeful in reflecting and translating sociocultural experience, improves the training of specialists in various directions and profiles, implements the leading principle of higher education.…”
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Pengontrolan Kecepatan Aliran Vortex Berbasis Arduino Sebagai Metoda Pemisah Campuran Serbuk Tembaga dan Aluminium by Fico Trianda Ravelli, Firman Ridwan

“…Several methods have been developed to separate gold from alluvial using the principle of density. Density is used as a basic concept in material separation. …”
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Mechanisms for promoting audiovisual works on foreign OTT services by A. R. Akopyan, A. M. Arakelyan, Yu. V. Vorontsova, V. V. Krysov

“…The cultural content transmission works on the principle of streaming, which continuously delivers individualised information to the user via the Internet. …”
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