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5661
Electronic and Lattice Dynamical Properties of the Iron-Based Superconductors LiFeAs and NaFeAs
Published 2010-01-01“…The electronic structure and lattice vibrational frequencies of the newly discovered superconductors, LiFeAs and NaFeAs, are calculated within density functional theory. We show that, in the vicinity of the Fermi energy, the density of states is dominated by contributions from Fe 3d states. …”
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5662
Multiple Positive Periodic Solutions for a Gilpin-Ayala Competition Predator-Prey System with Harvesting Terms
Published 2012-01-01“…By applying Mawhin’s continuation theorem of coincidence degree theory, we study the existence of multiple positive periodic solutions for a Gilpin-Ayala competition predator-prey system with harvesting terms and obtain some sufficient conditions for the existence of multiple positive periodic solutions for the system under consideration. …”
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5663
Nontrivial Solutions of a Fully Fourth-Order Periodic Boundary Value Problem
Published 2014-01-01“…By using the coincidence degree theory, the existence of nontrivial solutions is obtained. …”
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5664
Generation and Modified Projective Synchronization for a Class of New Hyperchaotic Systems
Published 2013-01-01“…A class of new hyperchaotic systems with different nonlinear terms is proposed, and the existence of hyperchaos is exhibited by calculating their Lyapunov exponent spectrums. Then the universal theories on modified projective synchronization (MPS) of the systems with general form which linearly depends on unknown parameters or time-varying parameters, are investigated by presenting an adaptive control strategy together with parameter update laws and a nonlinear control scheme based on Lyapunov stability theory. …”
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5665
Conselhos Municipais de Assistência Social e controle social
Published 2006-01-01“…The research results, in comparison to previous studies, indicate the need of revision of theory.…”
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5666
Singend is die geloof in sy element ... Gemeentesang as kommunikatiewe handeling
Published 2003-12-01“… In the worship service the faith is communicated on various levels by means of symbolic language and actions. Departing from the theory of communicative actions, it is shown that communicative actions are ways of communicating symbolically, by being part, taking part, and becoming part of an action. …”
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5667
Designing the behavioral model of managers in the digital age with the foundation's data approach
Published 2024-06-01“…Abstract The purpose of this research is to design the behavioral model of managers in the digital era by the approach of data-based theory. The research method is applicable in terms of purpose, and exploratory in terms of nature. …”
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5668
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5669
Environmental and Natural Resource Economics : a contemporary approach /
Published 2017Table of Contents: “…Introduction: the economy and the environment -- Changing perspectives on the environment -- Resources, environment, and economic development -- Economic analysis of environmental issues -- The theory of environmental externalities -- Common property resources and public goods -- Resource allocation over time -- Valuing the environment -- Cost-benefit analysis -- Pollution: analysis and policy -- Ecological economics and environmental accounting -- Ecological economics: basic concepts -- National income and environmental accounting -- Energy, climate change, and greening the economy -- Energy: the great transition -- Global climate change: science and analysis -- Global climate change: policy responses -- The green economy -- Population, agriculture, and resources -- Population and the environment -- Agriculture, food and environment -- Resources : scarcity and abundance -- Renewable resource use : fisheries -- Ecosystem management : forest ecosystems -- Water systems -- Environment, trade, and development -- World trade and the environment -- Institutions for sustainable development -- Index.…”
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5670
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5671
COGNITIVE FEATURES OF MANAGERIAL DECISION MAKING IN TERMS OF THE DIGITAL ECONOMY. THE RESULTS OF EXPERIMENT
Published 2019-05-01“…The information base of the article were Russian and foreign researches in the field of management theory and practice, personal observations of the authors, as well as the results of the experiment, conducted by the authors. …”
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5672
A New Approach for Analyzing the Reliability of the Repair Facility in a Series System with Vacations
Published 2012-01-01“…Based on the renewal process theory we develop a decomposition method to analyze the reliability of the repair facility in an n-unit series system with vacations. …”
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5673
On the Expected Discounted Penalty Function Using Physics-Informed Neural Network
Published 2023-01-01“…In order to solve the integrodifferential equation, we use a physics-informed neural network (PINN) for the first time in risk theory and obtain the numerical solutions of the expected discounted penalty function in some special cases of the penalty at ruin.…”
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5674
Controllability and Observability Analysis of Nonlinear Positive Discrete Systems
Published 2018-01-01“…We solve these problems by a technique based on the fixed point theory.…”
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5675
Obniżenie wieku rozpoczęcia obowiązku szkolnego – reprezentacje społeczne problemu w debacie publicznej
Published 2016-09-01“…The article shows, on the example of discussion about the lowering of the school age, how it can be analysed by means of communication mechanisms distinctive of the social representation theory (anchoring, objectification) and the procedure of media discourse research in what way the media and citizens create social representations concerning socio-political problems, including educational problems. …”
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5676
Voltage-Mode Four-Phase Sinusoidal Generator and Its Useful Extensions
Published 2013-01-01“…Several circuit extensions are also given which makes the new proposal useful for real circuit adoption. The proposed theory is validated through simulation results.…”
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5677
Lyapunov Exponent-Based Study of Chaotic Mechanical Behavior of Concrete under Compression
Published 2019-01-01“…Chaos theory is advantageous in achieving a deeper understanding of the nonlinearity and randomness of concrete behavior. …”
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5678
Existence and Stability of Square-Mean S-Asymptotically Periodic Solutions to a Fractional Stochastic Diffusion Equation with Fractional Brownian Motion
Published 2020-01-01“…In the end, an example of numerical simulation is given to illustrate the effectiveness of our theory results.…”
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5679
EVOLUTION OF CONCEPT OF «HUMAN RESOURCE MANAGEMENT»
Published 2018-04-01“…The relevance of the theory of human resource management and possibilities of its application in practical management of an organization is proved. …”
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5680
Phenomenological Hints from a Class of String Motivated Model Constructions
Published 2015-01-01“…We use string theory constructions towards the generalisation of the supersymmetric standard model of strong and electroweak interactions. …”
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